./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan --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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan --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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:10:43,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:10:43,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:10:43,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:10:43,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:10:43,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:10:43,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:10:43,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:10:43,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:10:43,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:10:43,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:10:43,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:10:43,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:10:43,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:10:43,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:10:43,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:10:43,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:10:43,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:10:43,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:10:43,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:10:43,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:10:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:10:43,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:10:43,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:10:43,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:10:43,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:10:43,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:10:43,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:10:43,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:10:43,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:10:43,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:10:43,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:10:43,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:10:43,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:10:43,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:10:43,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:10:43,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:10:43,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:10:43,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:10:43,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:10:43,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:10:43,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:10:43,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:10:43,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:10:43,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:10:43,810 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:10:43,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:10:43,810 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:10:43,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:10:43,810 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:10:43,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:10:43,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:10:43,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:10:43,811 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:10:43,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:10:43,812 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:10:43,812 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:10:43,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:10:43,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:10:43,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:10:43,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:10:43,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:10:43,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:10:43,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:10:43,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:10:43,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:10:43,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:10:43,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:10:43,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:10:43,816 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-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-12-09 16:10:44,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:10:44,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:10:44,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:10:44,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:10:44,022 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:10:44,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-12-09 16:10:44,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/acbfa65d8/548f0eae118c4fee87d1d43272b558f6/FLAGe0556d561 [2020-12-09 16:10:44,488 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:10:44,489 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-12-09 16:10:44,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/acbfa65d8/548f0eae118c4fee87d1d43272b558f6/FLAGe0556d561 [2020-12-09 16:10:44,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/acbfa65d8/548f0eae118c4fee87d1d43272b558f6 [2020-12-09 16:10:44,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:10:44,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:10:44,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:10:44,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:10:44,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:10:44,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:44" (1/1) ... [2020-12-09 16:10:44,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d292f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:44, skipping insertion in model container [2020-12-09 16:10:44,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:44" (1/1) ... [2020-12-09 16:10:44,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:10:44,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:10:44,845 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1353) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) 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) [2020-12-09 16:10:44,848 INFO L168 Benchmark]: Toolchain (without parser) took 334.93 ms. Allocated memory is still 86.0 MB. Free memory was 55.5 MB in the beginning and 61.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:10:44,849 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:10:44,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.23 ms. Allocated memory is still 86.0 MB. Free memory was 55.3 MB in the beginning and 61.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:10:44,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.23 ms. Allocated memory is still 86.0 MB. Free memory was 55.3 MB in the beginning and 61.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:10:46,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:10:46,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:10:46,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:10:46,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:10:46,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:10:46,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:10:46,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:10:46,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:10:46,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:10:46,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:10:46,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:10:46,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:10:46,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:10:46,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:10:46,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:10:46,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:10:46,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:10:46,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:10:46,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:10:46,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:10:46,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:10:46,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:10:46,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:10:46,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:10:46,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:10:46,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:10:46,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:10:46,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:10:46,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:10:46,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:10:46,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:10:46,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:10:46,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:10:46,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:10:46,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:10:46,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:10:46,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:10:46,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:10:46,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:10:46,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:10:46,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:10:46,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:10:46,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:10:46,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:10:46,327 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:10:46,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:10:46,327 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:10:46,328 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:10:46,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:10:46,328 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:10:46,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:10:46,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:10:46,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:10:46,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:10:46,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:10:46,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:10:46,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:10:46,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:10:46,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:10:46,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:10:46,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:10:46,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:10:46,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:10:46,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:10:46,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:10:46,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:10:46,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:10:46,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:10:46,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:10:46,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:10:46,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:10:46,333 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:10:46,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:10:46,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:10:46,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:10:46,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:10:46,334 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-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-12-09 16:10:46,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:10:46,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:10:46,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:10:46,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:10:46,590 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:10:46,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-12-09 16:10:46,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/53b1b481b/674209ce788c452e967d25b268acd4f0/FLAGd41a5e2ba [2020-12-09 16:10:47,078 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:10:47,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-12-09 16:10:47,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/53b1b481b/674209ce788c452e967d25b268acd4f0/FLAGd41a5e2ba [2020-12-09 16:10:47,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/data/53b1b481b/674209ce788c452e967d25b268acd4f0 [2020-12-09 16:10:47,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:10:47,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:10:47,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:10:47,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:10:47,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:10:47,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b99df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47, skipping insertion in model container [2020-12-09 16:10:47,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:10:47,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:10:47,480 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2020-12-09 16:10:47,482 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2020-12-09 16:10:47,483 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2020-12-09 16:10:47,484 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2020-12-09 16:10:47,484 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2020-12-09 16:10:47,485 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2020-12-09 16:10:47,485 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2020-12-09 16:10:47,486 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2020-12-09 16:10:47,486 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2020-12-09 16:10:47,487 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2020-12-09 16:10:47,488 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2020-12-09 16:10:47,488 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2020-12-09 16:10:47,489 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2020-12-09 16:10:47,489 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2020-12-09 16:10:47,490 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2020-12-09 16:10:47,490 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2020-12-09 16:10:47,491 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2020-12-09 16:10:47,491 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2020-12-09 16:10:47,492 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2020-12-09 16:10:47,492 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2020-12-09 16:10:47,493 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2020-12-09 16:10:47,493 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2020-12-09 16:10:47,494 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2020-12-09 16:10:47,494 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2020-12-09 16:10:47,495 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2020-12-09 16:10:47,496 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2020-12-09 16:10:47,496 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2020-12-09 16:10:47,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2020-12-09 16:10:47,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2020-12-09 16:10:47,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2020-12-09 16:10:47,498 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2020-12-09 16:10:47,498 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2020-12-09 16:10:47,499 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2020-12-09 16:10:47,500 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2020-12-09 16:10:47,500 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2020-12-09 16:10:47,500 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2020-12-09 16:10:47,501 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2020-12-09 16:10:47,501 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2020-12-09 16:10:47,502 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2020-12-09 16:10:47,502 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2020-12-09 16:10:47,503 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2020-12-09 16:10:47,503 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2020-12-09 16:10:47,504 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2020-12-09 16:10:47,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:10:47,514 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:10:47,536 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2020-12-09 16:10:47,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2020-12-09 16:10:47,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2020-12-09 16:10:47,538 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2020-12-09 16:10:47,538 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2020-12-09 16:10:47,539 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2020-12-09 16:10:47,539 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2020-12-09 16:10:47,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2020-12-09 16:10:47,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2020-12-09 16:10:47,541 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2020-12-09 16:10:47,541 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2020-12-09 16:10:47,542 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2020-12-09 16:10:47,542 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2020-12-09 16:10:47,543 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2020-12-09 16:10:47,543 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2020-12-09 16:10:47,544 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2020-12-09 16:10:47,544 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2020-12-09 16:10:47,545 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2020-12-09 16:10:47,545 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2020-12-09 16:10:47,546 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2020-12-09 16:10:47,546 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2020-12-09 16:10:47,546 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2020-12-09 16:10:47,547 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2020-12-09 16:10:47,547 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2020-12-09 16:10:47,548 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2020-12-09 16:10:47,548 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2020-12-09 16:10:47,549 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2020-12-09 16:10:47,549 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2020-12-09 16:10:47,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2020-12-09 16:10:47,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2020-12-09 16:10:47,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2020-12-09 16:10:47,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2020-12-09 16:10:47,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2020-12-09 16:10:47,552 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2020-12-09 16:10:47,552 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2020-12-09 16:10:47,553 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2020-12-09 16:10:47,553 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2020-12-09 16:10:47,553 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2020-12-09 16:10:47,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2020-12-09 16:10:47,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2020-12-09 16:10:47,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2020-12-09 16:10:47,555 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2020-12-09 16:10:47,555 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2020-12-09 16:10:47,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:10:47,740 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:10:47,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47 WrapperNode [2020-12-09 16:10:47,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:10:47,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:10:47,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:10:47,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:10:47,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:10:47,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:10:47,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:10:47,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:10:47,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... [2020-12-09 16:10:47,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:10:47,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:10:47,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:10:47,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:10:47,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:10:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:10:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:10:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:10:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:10:54,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:10:54,949 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 16:10:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:54 BoogieIcfgContainer [2020-12-09 16:10:54,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:10:54,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:10:54,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:10:54,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:10:54,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:10:47" (1/3) ... [2020-12-09 16:10:54,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a8cb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:10:54, skipping insertion in model container [2020-12-09 16:10:54,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:47" (2/3) ... [2020-12-09 16:10:54,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a8cb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:10:54, skipping insertion in model container [2020-12-09 16:10:54,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:54" (3/3) ... [2020-12-09 16:10:54,955 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2020-12-09 16:10:54,964 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:10:54,967 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2020-12-09 16:10:54,974 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-12-09 16:10:54,990 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:10:54,990 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:10:54,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:10:54,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:10:54,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:10:54,991 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:10:54,991 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:10:54,991 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:10:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-09 16:10:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:10:55,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:10:55,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:10:55,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:10:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:10:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash 119383820, now seen corresponding path program 1 times [2020-12-09 16:10:55,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:10:55,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677602576] [2020-12-09 16:10:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 16:10:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:10:55,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 16:10:55,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:10:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:10:55,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:10:55,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677602576] [2020-12-09 16:10:55,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:10:55,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:10:55,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310958573] [2020-12-09 16:10:55,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:10:55,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:10:55,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:10:55,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:10:55,093 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-12-09 16:10:55,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:10:55,107 INFO L93 Difference]: Finished difference Result 213 states and 300 transitions. [2020-12-09 16:10:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:10:55,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 16:10:55,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:10:55,114 INFO L225 Difference]: With dead ends: 213 [2020-12-09 16:10:55,114 INFO L226 Difference]: Without dead ends: 58 [2020-12-09 16:10:55,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:10:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-09 16:10:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-12-09 16:10:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-12-09 16:10:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2020-12-09 16:10:55,139 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 8 [2020-12-09 16:10:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:10:55,139 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2020-12-09 16:10:55,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:10:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-12-09 16:10:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 16:10:55,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:10:55,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:10:55,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:10:55,341 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:10:55,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:10:55,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1182789617, now seen corresponding path program 1 times [2020-12-09 16:10:55,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:10:55,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276471063] [2020-12-09 16:10:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 16:10:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:10:56,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:10:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:10:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:10:56,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:10:56,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276471063] [2020-12-09 16:10:56,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:10:56,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 16:10:56,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861056070] [2020-12-09 16:10:56,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 16:10:56,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:10:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 16:10:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-09 16:10:56,246 INFO L87 Difference]: Start difference. First operand 58 states and 57 transitions. Second operand 8 states. [2020-12-09 16:11:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:11:05,803 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-12-09 16:11:05,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 16:11:05,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2020-12-09 16:11:05,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:11:05,819 INFO L225 Difference]: With dead ends: 58 [2020-12-09 16:11:05,819 INFO L226 Difference]: Without dead ends: 40 [2020-12-09 16:11:05,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-12-09 16:11:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-09 16:11:05,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-09 16:11:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-09 16:11:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2020-12-09 16:11:05,823 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 9 [2020-12-09 16:11:05,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:11:05,823 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2020-12-09 16:11:05,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 16:11:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2020-12-09 16:11:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 16:11:05,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:11:05,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:11:06,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:11:06,026 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:11:06,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:11:06,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1233350863, now seen corresponding path program 1 times [2020-12-09 16:11:06,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:11:06,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213647633] [2020-12-09 16:11:06,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 16:11:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:11:07,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 16:11:07,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:11:13,683 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from false [2020-12-09 16:11:15,688 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from true [2020-12-09 16:11:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:11:15,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:11:15,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213647633] [2020-12-09 16:11:15,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:11:15,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:11:15,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523711215] [2020-12-09 16:11:15,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:11:15,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:11:15,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:11:15,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2020-12-09 16:11:15,695 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 6 states. [2020-12-09 16:11:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:11:24,868 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-12-09 16:11:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:11:24,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-12-09 16:11:24,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:11:24,886 INFO L225 Difference]: With dead ends: 40 [2020-12-09 16:11:24,886 INFO L226 Difference]: Without dead ends: 38 [2020-12-09 16:11:24,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2020-12-09 16:11:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-09 16:11:24,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-09 16:11:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-09 16:11:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2020-12-09 16:11:24,890 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 25 [2020-12-09 16:11:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:11:24,890 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2020-12-09 16:11:24,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:11:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2020-12-09 16:11:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 16:11:24,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:11:24,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:11:25,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:11:25,094 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:11:25,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:11:25,095 INFO L82 PathProgramCache]: Analyzing trace with hash 420833136, now seen corresponding path program 1 times [2020-12-09 16:11:25,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:11:25,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776741108] [2020-12-09 16:11:25,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 16:11:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:11:25,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:11:25,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:11:27,218 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-09 16:11:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:11:27,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:11:27,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776741108] [2020-12-09 16:11:27,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:11:27,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:11:27,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546242342] [2020-12-09 16:11:27,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:11:27,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:11:27,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:11:27,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:11:27,268 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 3 states. [2020-12-09 16:11:58,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:11:58,656 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-12-09 16:11:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:11:58,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-09 16:11:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:11:58,678 INFO L225 Difference]: With dead ends: 38 [2020-12-09 16:11:58,678 INFO L226 Difference]: Without dead ends: 34 [2020-12-09 16:11:58,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:11:58,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-09 16:11:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-09 16:11:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-09 16:11:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2020-12-09 16:11:58,681 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 26 [2020-12-09 16:11:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:11:58,681 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2020-12-09 16:11:58,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:11:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2020-12-09 16:11:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-09 16:11:58,682 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:11:58,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:11:58,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:11:58,885 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:11:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:11:58,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1785896657, now seen corresponding path program 1 times [2020-12-09 16:11:58,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:11:58,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39684018] [2020-12-09 16:11:58,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 16:12:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:12:01,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 16:12:01,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:12:07,393 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-12-09 16:12:09,407 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-12-09 16:12:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:12:09,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:12:09,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39684018] [2020-12-09 16:12:09,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:12:09,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:12:09,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109160811] [2020-12-09 16:12:09,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:12:09,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:12:09,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:12:09,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2020-12-09 16:12:09,412 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 6 states. [2020-12-09 16:12:12,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:12:12,566 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-12-09 16:12:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:12:12,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-09 16:12:12,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:12:12,585 INFO L225 Difference]: With dead ends: 34 [2020-12-09 16:12:12,585 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:12:12,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2020-12-09 16:12:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:12:12,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:12:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:12:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:12:12,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-12-09 16:12:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:12:12,586 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:12:12,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:12:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:12:12,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:12:12,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 16:12:12,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:12:12,799 INFO L262 CegarLoopResult]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2020-12-09 16:12:12,800 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2020-12-09 16:12:12,800 INFO L262 CegarLoopResult]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,800 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2020-12-09 16:12:12,801 INFO L262 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-12-09 16:12:12,801 INFO L262 CegarLoopResult]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,801 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2020-12-09 16:12:12,802 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-09 16:12:12,802 INFO L262 CegarLoopResult]: For program point L1027(line 1027) no Hoare annotation was computed. [2020-12-09 16:12:12,802 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-09 16:12:12,802 INFO L262 CegarLoopResult]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,802 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:12:12,803 INFO L262 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-12-09 16:12:12,803 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2020-12-09 16:12:12,803 INFO L262 CegarLoopResult]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,803 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2020-12-09 16:12:12,804 INFO L262 CegarLoopResult]: For program point L1028(line 1028) no Hoare annotation was computed. [2020-12-09 16:12:12,804 INFO L262 CegarLoopResult]: For program point L995(line 995) no Hoare annotation was computed. [2020-12-09 16:12:12,804 INFO L262 CegarLoopResult]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,805 INFO L262 CegarLoopResult]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,805 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2020-12-09 16:12:12,805 INFO L262 CegarLoopResult]: For program point L1012(line 1012) no Hoare annotation was computed. [2020-12-09 16:12:12,805 INFO L262 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-12-09 16:12:12,806 INFO L262 CegarLoopResult]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,806 INFO L262 CegarLoopResult]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,806 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2020-12-09 16:12:12,806 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2020-12-09 16:12:12,807 INFO L262 CegarLoopResult]: For program point L1029(line 1029) no Hoare annotation was computed. [2020-12-09 16:12:12,807 INFO L262 CegarLoopResult]: For program point L996(line 996) no Hoare annotation was computed. [2020-12-09 16:12:12,807 INFO L262 CegarLoopResult]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,807 INFO L262 CegarLoopResult]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,808 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2020-12-09 16:12:12,808 INFO L262 CegarLoopResult]: For program point L1013(line 1013) no Hoare annotation was computed. [2020-12-09 16:12:12,808 INFO L262 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-12-09 16:12:12,809 INFO L262 CegarLoopResult]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,809 INFO L262 CegarLoopResult]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,809 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2020-12-09 16:12:12,810 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2020-12-09 16:12:12,810 INFO L262 CegarLoopResult]: For program point L1030(line 1030) no Hoare annotation was computed. [2020-12-09 16:12:12,810 INFO L262 CegarLoopResult]: For program point L997(line 997) no Hoare annotation was computed. [2020-12-09 16:12:12,810 INFO L262 CegarLoopResult]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,811 INFO L262 CegarLoopResult]: For program point L1014(line 1014) no Hoare annotation was computed. [2020-12-09 16:12:12,811 INFO L262 CegarLoopResult]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,811 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2020-12-09 16:12:12,811 INFO L262 CegarLoopResult]: For program point L998(line 998) no Hoare annotation was computed. [2020-12-09 16:12:12,811 INFO L262 CegarLoopResult]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,812 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2020-12-09 16:12:12,812 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2020-12-09 16:12:12,812 INFO L262 CegarLoopResult]: For program point L1015(line 1015) no Hoare annotation was computed. [2020-12-09 16:12:12,812 INFO L262 CegarLoopResult]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,813 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2020-12-09 16:12:12,813 INFO L262 CegarLoopResult]: For program point L999(line 999) no Hoare annotation was computed. [2020-12-09 16:12:12,813 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2020-12-09 16:12:12,813 INFO L262 CegarLoopResult]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,814 INFO L262 CegarLoopResult]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,814 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:12:12,814 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2020-12-09 16:12:12,814 INFO L262 CegarLoopResult]: For program point L1016(line 1016) no Hoare annotation was computed. [2020-12-09 16:12:12,815 INFO L262 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2020-12-09 16:12:12,815 INFO L262 CegarLoopResult]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,815 INFO L262 CegarLoopResult]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,815 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2020-12-09 16:12:12,816 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2020-12-09 16:12:12,816 INFO L262 CegarLoopResult]: For program point L1000(line 1000) no Hoare annotation was computed. [2020-12-09 16:12:12,816 INFO L262 CegarLoopResult]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,816 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2020-12-09 16:12:12,817 INFO L262 CegarLoopResult]: For program point L1017(line 1017) no Hoare annotation was computed. [2020-12-09 16:12:12,817 INFO L262 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2020-12-09 16:12:12,817 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2020-12-09 16:12:12,817 INFO L262 CegarLoopResult]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,818 INFO L262 CegarLoopResult]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,818 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2020-12-09 16:12:12,818 INFO L262 CegarLoopResult]: For program point L1001(line 1001) no Hoare annotation was computed. [2020-12-09 16:12:12,818 INFO L262 CegarLoopResult]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,819 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2020-12-09 16:12:12,819 INFO L262 CegarLoopResult]: For program point L1018(line 1018) no Hoare annotation was computed. [2020-12-09 16:12:12,819 INFO L262 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-12-09 16:12:12,819 INFO L262 CegarLoopResult]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,819 INFO L262 CegarLoopResult]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2020-12-09 16:12:12,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2020-12-09 16:12:12,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2020-12-09 16:12:12,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 16:12:12,821 INFO L262 CegarLoopResult]: For program point L1019(line 1019) no Hoare annotation was computed. [2020-12-09 16:12:12,821 INFO L262 CegarLoopResult]: For program point L986(line 986) no Hoare annotation was computed. [2020-12-09 16:12:12,821 INFO L262 CegarLoopResult]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,821 INFO L262 CegarLoopResult]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,821 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2020-12-09 16:12:12,822 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2020-12-09 16:12:12,822 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2020-12-09 16:12:12,822 INFO L262 CegarLoopResult]: For program point L987(line 987) no Hoare annotation was computed. [2020-12-09 16:12:12,822 INFO L262 CegarLoopResult]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,822 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point L1004(line 1004) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point L1005(line 1005) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,823 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point L1022(line 1022) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point L1006(line 1006) no Hoare annotation was computed. [2020-12-09 16:12:12,824 INFO L262 CegarLoopResult]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point L1023(line 1023) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,825 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point L1024(line 1024) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point L991(line 991) no Hoare annotation was computed. [2020-12-09 16:12:12,826 INFO L262 CegarLoopResult]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point L1008(line 1008) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point L1025(line 1025) no Hoare annotation was computed. [2020-12-09 16:12:12,827 INFO L262 CegarLoopResult]: For program point L992(line 992) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L1009(line 1009) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L976-1(line 976) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2020-12-09 16:12:12,828 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2020-12-09 16:12:12,829 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2020-12-09 16:12:12,829 INFO L262 CegarLoopResult]: For program point L2(lines 2 4) no Hoare annotation was computed. [2020-12-09 16:12:12,829 INFO L262 CegarLoopResult]: For program point L1026(line 1026) no Hoare annotation was computed. [2020-12-09 16:12:12,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:12:12 BoogieIcfgContainer [2020-12-09 16:12:12,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:12:12,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:12:12,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:12:12,837 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:12:12,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:54" (3/4) ... [2020-12-09 16:12:12,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:12:12,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 16:12:12,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 16:12:12,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:12:12,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:12:12,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0760f3c1-7c71-4f62-8a5c-be799e8bbbce/bin/utaipan/witness.graphml [2020-12-09 16:12:12,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:12:12,894 INFO L168 Benchmark]: Toolchain (without parser) took 85792.18 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 40.3 MB in the beginning and 28.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,894 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 46.1 MB. Free memory was 29.5 MB in the beginning and 29.4 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:12:12,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.47 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 49.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.16 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 46.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,895 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,895 INFO L168 Benchmark]: RCFGBuilder took 7143.44 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 41.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,895 INFO L168 Benchmark]: TraceAbstraction took 77884.23 ms. Allocated memory is still 69.2 MB. Free memory was 41.4 MB in the beginning and 34.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,895 INFO L168 Benchmark]: Witness Printer took 56.64 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 28.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:12:12,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 46.1 MB. Free memory was 29.5 MB in the beginning and 29.4 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 638.47 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 49.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.16 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 46.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7143.44 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 41.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 77884.23 ms. Allocated memory is still 69.2 MB. Free memory was 41.4 MB in the beginning and 34.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 56.64 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 28.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 977]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 999]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1001]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 983]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 995]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 991]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 987]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 998]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1000]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 976]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 992]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1030]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 980]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 984]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 990]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 43 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 53.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 208 SDslu, 27 SDs, 0 SdLazy, 151 SolverSat, 13 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 52.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 2 QuantifiedInterpolants, 18249 SizeOfPredicates, 13 NumberOfNonLiveVariables, 201 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...