./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 .............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:08:12,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:08:12,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:08:12,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:08:12,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:08:12,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:08:12,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:08:12,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:08:12,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:08:12,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:08:12,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:08:12,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:08:12,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:08:12,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:08:12,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:08:12,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:08:12,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:08:12,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:08:12,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:08:12,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:08:12,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:08:12,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:08:12,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:08:12,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:08:12,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:08:12,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:08:12,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:08:12,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:08:12,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:08:12,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:08:12,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:08:12,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:08:12,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:08:12,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:08:12,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:08:12,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:08:12,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:08:12,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:08:12,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:08:12,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:08:12,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:08:12,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:08:12,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:08:12,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:08:12,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:08:12,840 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:08:12,840 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:08:12,841 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:08:12,841 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:08:12,841 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:08:12,847 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:08:12,848 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:08:12,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:08:12,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:08:12,849 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:08:12,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:08:12,850 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:08:12,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:08:12,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:08:12,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:08:12,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:08:12,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:08:12,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:08:12,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:08:12,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:08:12,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:08:12,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:08:12,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:08:12,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:08:12,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:08:12,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:08:12,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:08:12,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:08:12,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:08:12,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:08:12,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:08:12,857 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:08:12,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:08:12,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:08:12,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:08:12,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:08:12,858 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2021-10-20 06:08:13,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:08:13,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:08:13,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:08:13,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:08:13,229 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:08:13,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2021-10-20 06:08:13,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/fc6e46af1/eca97e8e0d2642229d2074a6ea9233f7/FLAG3a09f02e6 [2021-10-20 06:08:13,919 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:08:13,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2021-10-20 06:08:13,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/fc6e46af1/eca97e8e0d2642229d2074a6ea9233f7/FLAG3a09f02e6 [2021-10-20 06:08:14,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/fc6e46af1/eca97e8e0d2642229d2074a6ea9233f7 [2021-10-20 06:08:14,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:08:14,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:08:14,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:08:14,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:08:14,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:08:14,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:08:14" (1/1) ... [2021-10-20 06:08:14,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b770f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:14, skipping insertion in model container [2021-10-20 06:08:14,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:08:14" (1/1) ... [2021-10-20 06:08:14,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:08:14,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:08:14,518 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:360) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) 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.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-20 06:08:14,524 INFO L168 Benchmark]: Toolchain (without parser) took 317.07 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 68.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:08:14,525 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:08:14,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.11 ms. Allocated memory is still 94.4 MB. Free memory was 58.7 MB in the beginning and 68.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:08:14,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.11 ms. Allocated memory is still 94.4 MB. Free memory was 58.7 MB in the beginning and 68.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:08:16,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:08:16,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:08:16,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:08:16,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:08:16,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:08:16,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:08:16,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:08:16,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:08:16,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:08:16,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:08:16,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:08:16,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:08:16,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:08:16,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:08:16,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:08:16,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:08:16,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:08:16,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:08:16,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:08:16,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:08:16,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:08:16,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:08:16,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:08:16,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:08:16,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:08:16,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:08:16,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:08:16,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:08:16,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:08:16,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:08:16,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:08:16,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:08:16,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:08:16,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:08:16,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:08:16,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:08:16,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:08:16,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:08:16,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:08:16,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:08:16,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:08:16,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:08:16,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:08:16,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:08:16,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:08:16,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:08:16,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:08:16,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:08:16,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:08:16,998 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:08:16,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:08:17,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:08:17,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:08:17,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:08:17,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:08:17,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:08:17,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:08:17,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:08:17,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:08:17,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:08:17,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:08:17,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:08:17,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:08:17,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:08:17,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:08:17,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:08:17,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:08:17,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:08:17,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:08:17,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:08:17,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:08:17,005 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:08:17,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:08:17,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:08:17,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:08:17,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:08:17,006 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2021-10-20 06:08:17,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:08:17,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:08:17,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:08:17,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:08:17,393 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:08:17,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2021-10-20 06:08:17,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/b916b2f2e/46ae9e815c724f0a9da7b14eb41b78f7/FLAG4889fa1eb [2021-10-20 06:08:18,080 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:08:18,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2021-10-20 06:08:18,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/b916b2f2e/46ae9e815c724f0a9da7b14eb41b78f7/FLAG4889fa1eb [2021-10-20 06:08:18,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/data/b916b2f2e/46ae9e815c724f0a9da7b14eb41b78f7 [2021-10-20 06:08:18,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:08:18,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:08:18,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:08:18,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:08:18,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:08:18,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:08:18" (1/1) ... [2021-10-20 06:08:18,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2faa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:18, skipping insertion in model container [2021-10-20 06:08:18,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:08:18" (1/1) ... [2021-10-20 06:08:18,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:08:18,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:08:18,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2021-10-20 06:08:18,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:08:18,840 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:08:19,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2021-10-20 06:08:19,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:08:19,041 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:08:19,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19 WrapperNode [2021-10-20 06:08:19,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:08:19,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:08:19,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:08:19,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:08:19,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:08:19,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:08:19,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:08:19,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:08:19,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:08:19,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:08:19,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:08:19,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:08:19,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (1/1) ... [2021-10-20 06:08:19,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:08:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:08:19,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:08:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-20 06:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-20 06:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-20 06:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-20 06:08:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:08:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:08:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-20 06:08:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 06:09:13,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:09:13,519 INFO L299 CfgBuilder]: Removed 90 assume(true) statements. [2021-10-20 06:09:13,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:13 BoogieIcfgContainer [2021-10-20 06:09:13,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:09:13,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:09:13,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:09:13,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:09:13,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:08:18" (1/3) ... [2021-10-20 06:09:13,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23eb64f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:09:13, skipping insertion in model container [2021-10-20 06:09:13,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:08:19" (2/3) ... [2021-10-20 06:09:13,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23eb64f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:09:13, skipping insertion in model container [2021-10-20 06:09:13,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:13" (3/3) ... [2021-10-20 06:09:13,531 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b.c [2021-10-20 06:09:13,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:09:13,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 06:09:13,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:09:13,603 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:09:13,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 06:09:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 213 states, 211 states have (on average 1.7203791469194314) internal successors, (363), 212 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-20 06:09:13,650 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:13,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:13,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:13,658 INFO L82 PathProgramCache]: Analyzing trace with hash 484704243, now seen corresponding path program 1 times [2021-10-20 06:09:13,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:13,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513811543] [2021-10-20 06:09:13,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:13,672 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:13,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:13,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:13,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:09:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:14,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:09:14,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:14,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:14,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:14,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513811543] [2021-10-20 06:09:14,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513811543] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:14,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:14,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:09:14,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721838262] [2021-10-20 06:09:14,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:09:14,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:14,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:09:14,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:09:14,660 INFO L87 Difference]: Start difference. First operand has 213 states, 211 states have (on average 1.7203791469194314) internal successors, (363), 212 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:14,706 INFO L93 Difference]: Finished difference Result 423 states and 722 transitions. [2021-10-20 06:09:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:09:14,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-20 06:09:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:14,725 INFO L225 Difference]: With dead ends: 423 [2021-10-20 06:09:14,725 INFO L226 Difference]: Without dead ends: 209 [2021-10-20 06:09:14,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:09:14,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-20 06:09:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-10-20 06:09:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.3798076923076923) internal successors, (287), 208 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 287 transitions. [2021-10-20 06:09:14,782 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 287 transitions. Word has length 11 [2021-10-20 06:09:14,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:14,782 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-10-20 06:09:14,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 287 transitions. [2021-10-20 06:09:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-20 06:09:14,784 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:14,784 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:14,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:09:14,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:14,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:14,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1071808080, now seen corresponding path program 1 times [2021-10-20 06:09:14,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:14,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994577649] [2021-10-20 06:09:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:14,990 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:14,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:14,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:09:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:15,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-20 06:09:15,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:16,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-10-20 06:09:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:18,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:22,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2021-10-20 06:09:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:23,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:23,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994577649] [2021-10-20 06:09:23,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994577649] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:23,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:23,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-10-20 06:09:23,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580951707] [2021-10-20 06:09:23,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-20 06:09:23,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:23,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-20 06:09:23,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=28, Unknown=1, NotChecked=0, Total=42 [2021-10-20 06:09:23,115 INFO L87 Difference]: Start difference. First operand 209 states and 287 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:51,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:51,463 INFO L93 Difference]: Finished difference Result 224 states and 303 transitions. [2021-10-20 06:09:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:09:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-20 06:09:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:51,573 INFO L225 Difference]: With dead ends: 224 [2021-10-20 06:09:51,574 INFO L226 Difference]: Without dead ends: 219 [2021-10-20 06:09:51,575 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10221.7ms TimeCoverageRelationStatistics Valid=26, Invalid=45, Unknown=1, NotChecked=0, Total=72 [2021-10-20 06:09:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-20 06:09:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 209. [2021-10-20 06:09:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.375) internal successors, (286), 208 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 286 transitions. [2021-10-20 06:09:51,606 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 286 transitions. Word has length 13 [2021-10-20 06:09:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:51,606 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 286 transitions. [2021-10-20 06:09:51,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 286 transitions. [2021-10-20 06:09:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-20 06:09:51,608 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:51,608 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:51,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-20 06:09:51,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:51,822 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:51,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:51,823 INFO L82 PathProgramCache]: Analyzing trace with hash 754673845, now seen corresponding path program 1 times [2021-10-20 06:09:51,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:51,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281591094] [2021-10-20 06:09:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:51,824 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:51,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:51,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:09:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:52,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 06:09:52,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:54,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:56,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:56,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281591094] [2021-10-20 06:09:56,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281591094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:56,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:56,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-20 06:09:56,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757702660] [2021-10-20 06:09:56,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-20 06:09:56,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:56,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-20 06:09:56,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-20 06:09:56,719 INFO L87 Difference]: Start difference. First operand 209 states and 286 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:10:06,737 INFO L93 Difference]: Finished difference Result 327 states and 424 transitions. [2021-10-20 06:10:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 06:10:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-20 06:10:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:10:06,741 INFO L225 Difference]: With dead ends: 327 [2021-10-20 06:10:06,741 INFO L226 Difference]: Without dead ends: 208 [2021-10-20 06:10:06,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3192.3ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-20 06:10:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-20 06:10:06,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 198. [2021-10-20 06:10:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.3350253807106598) internal successors, (263), 197 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2021-10-20 06:10:06,764 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 15 [2021-10-20 06:10:06,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:10:06,765 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2021-10-20 06:10:06,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2021-10-20 06:10:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-20 06:10:06,766 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:10:06,766 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:10:06,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:10:06,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:10:06,985 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:10:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:10:06,986 INFO L82 PathProgramCache]: Analyzing trace with hash 756520887, now seen corresponding path program 1 times [2021-10-20 06:10:06,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:10:06,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864239790] [2021-10-20 06:10:06,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:10:06,987 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:10:06,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:10:06,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:10:06,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:10:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:10:07,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 06:10:07,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:10:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:10:08,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:10:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:10:08,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:10:08,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864239790] [2021-10-20 06:10:08,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864239790] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:10:08,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:10:08,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-10-20 06:10:08,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227466293] [2021-10-20 06:10:08,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-20 06:10:08,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:10:08,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-20 06:10:08,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:10:08,748 INFO L87 Difference]: Start difference. First operand 198 states and 263 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:10:26,069 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2021-10-20 06:10:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:10:26,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-20 06:10:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:10:26,103 INFO L225 Difference]: With dead ends: 203 [2021-10-20 06:10:26,103 INFO L226 Difference]: Without dead ends: 197 [2021-10-20 06:10:26,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1401.5ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:10:26,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-20 06:10:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-20 06:10:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 196 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 260 transitions. [2021-10-20 06:10:26,121 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 260 transitions. Word has length 15 [2021-10-20 06:10:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:10:26,121 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 260 transitions. [2021-10-20 06:10:26,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:10:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2021-10-20 06:10:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 06:10:26,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:10:26,123 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:10:26,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:10:26,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:10:26,340 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:10:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:10:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1368861529, now seen corresponding path program 1 times [2021-10-20 06:10:26,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:10:26,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185330662] [2021-10-20 06:10:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:10:26,341 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:10:26,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:10:26,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:10:26,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 06:10:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:10:27,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-20 06:10:27,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:10:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:10:31,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:10:38,988 WARN L838 $PredicateComparison]: unable to prove that (= (fp.div c_currentRoundingMode c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) is different from false [2021-10-20 06:10:41,189 WARN L860 $PredicateComparison]: unable to prove that (= (fp.div c_currentRoundingMode c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x) (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) is different from true [2021-10-20 06:11:35,050 WARN L838 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) (fp.div c_currentRoundingMode c_~one_pow~0 c_ULTIMATE.start_main_~x~0)) is different from false [2021-10-20 06:11:37,244 WARN L860 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) (fp.div c_currentRoundingMode c_~one_pow~0 c_ULTIMATE.start_main_~x~0)) is different from true [2021-10-20 06:11:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:11:37,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:11:37,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185330662] [2021-10-20 06:11:37,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185330662] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:11:37,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:11:37,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-20 06:11:37,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227352767] [2021-10-20 06:11:37,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-20 06:11:37,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:11:37,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-20 06:11:37,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=69, Unknown=4, NotChecked=34, Total=132 [2021-10-20 06:11:37,257 INFO L87 Difference]: Start difference. First operand 197 states and 260 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:13:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:13:56,124 INFO L93 Difference]: Finished difference Result 212 states and 275 transitions. [2021-10-20 06:13:56,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 06:13:56,162 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-20 06:13:56,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:13:56,164 INFO L225 Difference]: With dead ends: 212 [2021-10-20 06:13:56,164 INFO L226 Difference]: Without dead ends: 206 [2021-10-20 06:13:56,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 17562.7ms TimeCoverageRelationStatistics Valid=60, Invalid=125, Unknown=5, NotChecked=50, Total=240 [2021-10-20 06:13:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-20 06:13:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 196. [2021-10-20 06:13:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.3128205128205128) internal successors, (256), 195 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:13:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2021-10-20 06:13:56,184 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 19 [2021-10-20 06:13:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:13:56,185 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2021-10-20 06:13:56,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:13:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2021-10-20 06:13:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-20 06:13:56,187 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:13:56,187 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:13:56,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 06:13:56,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:13:56,401 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:13:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:13:56,401 INFO L82 PathProgramCache]: Analyzing trace with hash -376334493, now seen corresponding path program 1 times [2021-10-20 06:13:56,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:13:56,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42176444] [2021-10-20 06:13:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:13:56,402 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:13:56,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:13:56,404 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:13:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 06:13:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:13:56,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-20 06:13:56,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:13:57,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2021-10-20 06:14:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:14:00,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:14:07,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-10-20 06:14:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:14:10,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:14:10,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42176444] [2021-10-20 06:14:10,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42176444] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:14:10,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:14:10,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-20 06:14:10,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783170010] [2021-10-20 06:14:10,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-20 06:14:10,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:14:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-20 06:14:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=65, Unknown=2, NotChecked=0, Total=90 [2021-10-20 06:14:10,510 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:14:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:14:14,589 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2021-10-20 06:14:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 06:14:14,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-20 06:14:14,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:14:14,590 INFO L225 Difference]: With dead ends: 196 [2021-10-20 06:14:14,590 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:14:14,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 11651.2ms TimeCoverageRelationStatistics Valid=50, Invalid=104, Unknown=2, NotChecked=0, Total=156 [2021-10-20 06:14:14,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:14:14,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:14:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:14:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:14:14,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-10-20 06:14:14,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:14:14,593 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:14:14,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:14:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:14:14,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:14:14,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:14:14,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 06:14:14,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:14:14,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:14:14,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:14,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:14:17,570 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2021-10-20 06:14:17,571 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2021-10-20 06:14:17,571 INFO L857 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2021-10-20 06:14:17,571 INFO L853 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_pow_#res| (_ NaN 11 53)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2021-10-20 06:14:17,572 INFO L857 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-10-20 06:14:17,572 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-10-20 06:14:17,572 INFO L857 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2021-10-20 06:14:17,572 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2021-10-20 06:14:17,572 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2021-10-20 06:14:17,573 INFO L853 garLoopResultBuilder]: At program point L37(lines 19 38) the Hoare annotation is: false [2021-10-20 06:14:17,573 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2021-10-20 06:14:17,573 INFO L853 garLoopResultBuilder]: At program point L37-1(lines 19 38) the Hoare annotation is: false [2021-10-20 06:14:17,573 INFO L853 garLoopResultBuilder]: At program point L37-2(lines 19 38) the Hoare annotation is: false [2021-10-20 06:14:17,574 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2021-10-20 06:14:17,574 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2021-10-20 06:14:17,574 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2021-10-20 06:14:17,574 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2021-10-20 06:14:17,574 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-10-20 06:14:17,578 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L853 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2021-10-20 06:14:17,579 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L853 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L853 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2021-10-20 06:14:17,580 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L579-2(lines 579 588) no Hoare annotation was computed. [2021-10-20 06:14:17,581 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2021-10-20 06:14:17,582 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2021-10-20 06:14:17,583 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 587) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L585(line 585) no Hoare annotation was computed. [2021-10-20 06:14:17,584 INFO L857 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2021-10-20 06:14:17,585 INFO L853 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2021-10-20 06:14:17,585 INFO L857 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2021-10-20 06:14:17,585 INFO L853 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2021-10-20 06:14:17,585 INFO L857 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2021-10-20 06:14:17,585 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-10-20 06:14:17,586 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-10-20 06:14:17,586 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-10-20 06:14:17,586 INFO L857 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-10-20 06:14:17,586 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2021-10-20 06:14:17,586 INFO L853 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-10-20 06:14:17,587 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:14:17,587 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2021-10-20 06:14:17,587 INFO L853 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2021-10-20 06:14:17,587 INFO L857 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2021-10-20 06:14:17,587 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2021-10-20 06:14:17,587 INFO L860 garLoopResultBuilder]: At program point L590(lines 567 591) the Hoare annotation is: true [2021-10-20 06:14:17,587 INFO L857 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2021-10-20 06:14:17,587 INFO L853 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-10-20 06:14:17,588 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2021-10-20 06:14:17,589 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2021-10-20 06:14:17,589 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:14:17,589 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2021-10-20 06:14:17,589 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2021-10-20 06:14:17,589 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2021-10-20 06:14:17,590 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2021-10-20 06:14:17,590 INFO L857 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2021-10-20 06:14:17,590 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2021-10-20 06:14:17,590 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-10-20 06:14:17,590 INFO L857 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2021-10-20 06:14:17,591 INFO L853 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2021-10-20 06:14:17,591 INFO L857 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2021-10-20 06:14:17,591 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-10-20 06:14:17,591 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2021-10-20 06:14:17,591 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2021-10-20 06:14:17,591 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2021-10-20 06:14:17,592 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2021-10-20 06:14:17,592 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2021-10-20 06:14:17,592 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2021-10-20 06:14:17,592 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2021-10-20 06:14:17,592 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2021-10-20 06:14:17,593 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~x~0 (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_pow_~x) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= currentRoundingMode roundNearestTiesToEven) (not (fp.eq ULTIMATE.start___ieee754_pow_~y (fp.neg (_ +zero 11 53))))) [2021-10-20 06:14:17,593 INFO L853 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2021-10-20 06:14:17,593 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2021-10-20 06:14:17,593 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2021-10-20 06:14:17,593 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2021-10-20 06:14:17,594 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2021-10-20 06:14:17,594 INFO L857 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2021-10-20 06:14:17,594 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2021-10-20 06:14:17,594 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2021-10-20 06:14:17,594 INFO L853 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2021-10-20 06:14:17,595 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2021-10-20 06:14:17,596 INFO L857 garLoopResultBuilder]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2021-10-20 06:14:17,596 INFO L857 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-10-20 06:14:17,596 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-10-20 06:14:17,596 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2021-10-20 06:14:17,596 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-10-20 06:14:17,597 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2021-10-20 06:14:17,597 INFO L857 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2021-10-20 06:14:17,597 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2021-10-20 06:14:17,597 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2021-10-20 06:14:17,597 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2021-10-20 06:14:17,598 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2021-10-20 06:14:17,598 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2021-10-20 06:14:17,598 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2021-10-20 06:14:17,598 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2021-10-20 06:14:17,598 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-10-20 06:14:17,598 INFO L857 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-10-20 06:14:17,599 INFO L857 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2021-10-20 06:14:17,599 INFO L853 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2021-10-20 06:14:17,599 INFO L857 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2021-10-20 06:14:17,599 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2021-10-20 06:14:17,599 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2021-10-20 06:14:17,599 INFO L857 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2021-10-20 06:14:17,600 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:14:17,600 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2021-10-20 06:14:17,600 INFO L853 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2021-10-20 06:14:17,600 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2021-10-20 06:14:17,600 INFO L853 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2021-10-20 06:14:17,601 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-20 06:14:17,601 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2021-10-20 06:14:17,601 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-20 06:14:17,601 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-20 06:14:17,601 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-10-20 06:14:17,601 INFO L857 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-10-20 06:14:17,602 INFO L853 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-10-20 06:14:17,602 INFO L857 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2021-10-20 06:14:17,602 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2021-10-20 06:14:17,602 INFO L857 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2021-10-20 06:14:17,602 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-10-20 06:14:17,603 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-10-20 06:14:17,603 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2021-10-20 06:14:17,603 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2021-10-20 06:14:17,603 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2021-10-20 06:14:17,603 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L26-4(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L26-6(lines 26 30) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L26-7(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,604 INFO L857 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2021-10-20 06:14:17,605 INFO L853 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2021-10-20 06:14:17,605 INFO L857 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-10-20 06:14:17,605 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2021-10-20 06:14:17,605 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2021-10-20 06:14:17,605 INFO L853 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2021-10-20 06:14:17,606 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2021-10-20 06:14:17,606 INFO L853 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2021-10-20 06:14:17,606 INFO L857 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2021-10-20 06:14:17,606 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2021-10-20 06:14:17,606 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2021-10-20 06:14:17,606 INFO L857 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2021-10-20 06:14:17,607 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:14:17,607 INFO L857 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2021-10-20 06:14:17,607 INFO L857 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2021-10-20 06:14:17,607 INFO L857 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2021-10-20 06:14:17,607 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2021-10-20 06:14:17,608 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2021-10-20 06:14:17,608 INFO L857 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2021-10-20 06:14:17,608 INFO L857 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2021-10-20 06:14:17,608 INFO L857 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2021-10-20 06:14:17,608 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2021-10-20 06:14:17,608 INFO L857 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31-3(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31-4(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,609 INFO L857 garLoopResultBuilder]: For program point L31-5(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L857 garLoopResultBuilder]: For program point L31-6(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L857 garLoopResultBuilder]: For program point L31-7(lines 19 38) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L857 garLoopResultBuilder]: For program point L31-8(lines 31 36) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L857 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2021-10-20 06:14:17,610 INFO L853 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (= |ULTIMATE.start___ieee754_pow_#res| (_ NaN 11 53)) [2021-10-20 06:14:17,611 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2021-10-20 06:14:17,611 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2021-10-20 06:14:17,611 INFO L857 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2021-10-20 06:14:17,611 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2021-10-20 06:14:17,611 INFO L857 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2021-10-20 06:14:17,612 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2021-10-20 06:14:17,612 INFO L857 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2021-10-20 06:14:17,617 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:14:17,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-20 06:14:17,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-20 06:14:17,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-20 06:14:17,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-20 06:14:17,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:14:17 BoogieIcfgContainer [2021-10-20 06:14:17,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:14:17,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:14:17,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:14:17,642 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:14:17,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:13" (3/4) ... [2021-10-20 06:14:17,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:14:17,671 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-20 06:14:17,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-20 06:14:17,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:14:17,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:14:17,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-10-20 06:14:17,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:14:17,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:14:17,779 INFO L168 Benchmark]: Toolchain (without parser) took 359394.27 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 46.7 MB in the beginning and 25.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,780 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:14:17,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.64 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 34.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.82 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 34.8 MB in the beginning and 71.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,794 INFO L168 Benchmark]: Boogie Preprocessor took 93.40 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 66.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,794 INFO L168 Benchmark]: RCFGBuilder took 54284.22 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 42.1 MB in the end (delta: 24.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,795 INFO L168 Benchmark]: TraceAbstraction took 304117.22 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 41.9 MB in the end (delta: -238.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,795 INFO L168 Benchmark]: Witness Printer took 135.76 ms. Allocated memory is still 90.2 MB. Free memory was 41.9 MB in the beginning and 25.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-20 06:14:17,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.64 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 34.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.82 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 34.8 MB in the beginning and 71.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.40 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 66.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54284.22 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 42.1 MB in the end (delta: 24.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 304117.22 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 41.9 MB in the end (delta: -238.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB. * Witness Printer took 135.76 ms. Allocated memory is still 90.2 MB. Free memory was 41.9 MB in the beginning and 25.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 585]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 304022.5ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 16.3ms, AutomataDifference: 198917.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2753.4ms, InitialAbstractionConstructionTime: 34.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1283 SDtfs, 2493 SDslu, 3498 SDs, 0 SdLazy, 263 SolverSat, 16 SolverUnsat, 63 SolverUnknown, 0 SolverNotchecked, 175941.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 138 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 2 IntricatePredicates, 2 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 44029.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 128.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 43 NumberOfFragments, 71 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 143.5ms HoareSimplificationTime, 37 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 2600.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 159.9ms SsaConstructionTime, 2333.2ms SatisfiabilityAnalysisTime, 97733.2ms InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 176 ConstructedInterpolants, 31 QuantifiedInterpolants, 1211 SizeOfPredicates, 43 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~NaN~LONGDOUBLE() - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: \result == ~NaN~LONGDOUBLE() && 1bv32 == \result - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2021-10-20 06:14:17,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-20 06:14:17,814 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-20 06:14:17,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-20 06:14:17,815 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(y, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 06:14:18,033 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-20 06:14:18,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb02cedf-d68e-4692-9d7a-99a7191e0ed2/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...