./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 0b6fc5dd45f61ab6cdfdd7b291c72a1d8b97c284 .................................................................................................................................................................................. 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_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 0b6fc5dd45f61ab6cdfdd7b291c72a1d8b97c284 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:13:48,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:13:48,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:13:48,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:13:48,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:13:48,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:13:48,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:13:48,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:13:48,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:13:48,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:13:48,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:13:48,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:13:48,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:13:48,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:13:48,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:13:48,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:13:48,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:13:48,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:13:48,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:13:48,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:13:48,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:13:48,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:13:48,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:13:48,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:13:48,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:13:48,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:13:48,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:13:48,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:13:48,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:13:48,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:13:48,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:13:48,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:13:48,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:13:48,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:13:48,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:13:48,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:13:48,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:13:48,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:13:48,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:13:48,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:13:48,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:13:48,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:13:48,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:13:48,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:13:48,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:13:48,693 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:13:48,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:13:48,693 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:13:48,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:13:48,694 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:13:48,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:13:48,694 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:13:48,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:13:48,696 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:13:48,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:13:48,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:13:48,696 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:13:48,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:13:48,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:13:48,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:13:48,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:13:48,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:13:48,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:13:48,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:13:48,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:13:48,699 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:13:48,699 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:13:48,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:13:48,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:13:48,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:13:48,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:13:48,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:13:48,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:13:48,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:13:48,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:13:48,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:13:48,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:13:48,704 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:13:48,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:13:48,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:13:48,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:13:48,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:13:48,705 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_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b6fc5dd45f61ab6cdfdd7b291c72a1d8b97c284 [2020-11-30 02:13:49,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:13:49,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:13:49,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:13:49,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:13:49,099 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:13:49,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2020-11-30 02:13:49,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/fe97c95f4/90cd189f2e78429aaab3e1ac303d84ec/FLAG420317a25 [2020-11-30 02:13:49,848 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:13:49,849 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2020-11-30 02:13:49,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/fe97c95f4/90cd189f2e78429aaab3e1ac303d84ec/FLAG420317a25 [2020-11-30 02:13:50,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/fe97c95f4/90cd189f2e78429aaab3e1ac303d84ec [2020-11-30 02:13:50,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:13:50,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:13:50,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:50,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:13:50,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:13:50,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:50" (1/1) ... [2020-11-30 02:13:50,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e090b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:50, skipping insertion in model container [2020-11-30 02:13:50,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:50" (1/1) ... [2020-11-30 02:13:50,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:13:50,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:13:50,902 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:2342) 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:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-11-30 02:13:50,909 INFO L168 Benchmark]: Toolchain (without parser) took 844.85 ms. Allocated memory is still 83.9 MB. Free memory was 47.2 MB in the beginning and 58.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:50,912 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 83.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:13:50,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.90 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 58.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:50,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 83.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 839.90 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 58.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 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-a4ecdab [2020-11-30 02:13:53,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:13:53,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:13:53,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:13:53,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:13:53,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:13:53,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:13:53,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:13:53,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:13:53,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:13:53,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:13:53,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:13:53,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:13:53,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:13:53,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:13:53,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:13:53,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:13:53,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:13:53,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:13:53,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:13:53,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:13:53,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:13:53,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:13:53,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:13:53,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:13:53,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:13:53,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:13:53,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:13:53,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:13:53,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:13:53,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:13:53,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:13:53,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:13:53,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:13:53,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:13:53,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:13:53,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:13:53,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:13:53,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:13:53,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:13:53,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:13:53,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:13:53,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:13:53,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:13:53,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:13:53,489 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:13:53,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:13:53,490 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:13:53,490 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:13:53,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:13:53,491 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:13:53,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:13:53,492 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:13:53,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:13:53,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:13:53,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:13:53,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:13:53,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:13:53,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:13:53,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:13:53,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:13:53,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:13:53,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:13:53,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:13:53,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:13:53,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:13:53,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:13:53,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:13:53,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:13:53,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:13:53,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:13:53,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:13:53,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:13:53,497 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:13:53,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:13:53,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:13:53,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:13:53,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:13:53,498 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_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b6fc5dd45f61ab6cdfdd7b291c72a1d8b97c284 [2020-11-30 02:13:53,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:13:53,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:13:53,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:13:53,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:13:53,896 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:13:53,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2020-11-30 02:13:54,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/118260551/91037bc443144ca484d1f1dec90fa0e1/FLAG8312fca1c [2020-11-30 02:13:54,677 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:13:54,678 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2020-11-30 02:13:54,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/118260551/91037bc443144ca484d1f1dec90fa0e1/FLAG8312fca1c [2020-11-30 02:13:54,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/data/118260551/91037bc443144ca484d1f1dec90fa0e1 [2020-11-30 02:13:54,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:13:54,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:13:54,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:54,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:13:54,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:13:54,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:54" (1/1) ... [2020-11-30 02:13:54,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d786a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:54, skipping insertion in model container [2020-11-30 02:13:54,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:54" (1/1) ... [2020-11-30 02:13:54,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:13:54,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:13:55,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:13:55,632 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:13:55,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:13:56,072 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:13:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56 WrapperNode [2020-11-30 02:13:56,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:56,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:13:56,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:13:56,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:13:56,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:13:56,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:13:56,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:13:56,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:13:56,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... [2020-11-30 02:13:56,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:13:56,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:13:56,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:13:56,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:13:56,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 [2020-11-30 02:13:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:13:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:13:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:13:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:13:58,629 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:13:58,629 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-11-30 02:13:58,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:13:58 BoogieIcfgContainer [2020-11-30 02:13:58,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:13:58,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:13:58,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:13:58,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:13:58,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:13:54" (1/3) ... [2020-11-30 02:13:58,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a647fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:13:58, skipping insertion in model container [2020-11-30 02:13:58,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:56" (2/3) ... [2020-11-30 02:13:58,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a647fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:13:58, skipping insertion in model container [2020-11-30 02:13:58,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:13:58" (3/3) ... [2020-11-30 02:13:58,639 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp2.i [2020-11-30 02:13:58,650 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:13:58,655 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-11-30 02:13:58,666 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-11-30 02:13:58,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:13:58,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:13:58,691 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:13:58,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:13:58,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:13:58,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:13:58,692 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:13:58,692 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:13:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-11-30 02:13:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:13:58,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:13:58,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:13:58,724 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_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.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_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]=== [2020-11-30 02:13:58,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:13:58,731 INFO L82 PathProgramCache]: Analyzing trace with hash -594068727, now seen corresponding path program 1 times [2020-11-30 02:13:58,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:13:58,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688067700] [2020-11-30 02:13:58,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 [2020-11-30 02:13:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:13:58,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:13:58,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:13:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:13:58,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:13:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:13:58,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688067700] [2020-11-30 02:13:58,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:13:58,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:13:58,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334379023] [2020-11-30 02:13:58,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:13:58,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:13:58,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:13:58,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:13:58,862 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-11-30 02:13:58,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:13:58,887 INFO L93 Difference]: Finished difference Result 249 states and 364 transitions. [2020-11-30 02:13:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:13:58,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 02:13:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:13:58,896 INFO L225 Difference]: With dead ends: 249 [2020-11-30 02:13:58,896 INFO L226 Difference]: Without dead ends: 43 [2020-11-30 02:13:58,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:13:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-30 02:13:58,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-30 02:13:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 02:13:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2020-11-30 02:13:58,932 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 9 [2020-11-30 02:13:58,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:13:58,932 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2020-11-30 02:13:58,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:13:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2020-11-30 02:13:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:13:58,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:13:58,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:13:59,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:13:59,148 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_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.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_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]=== [2020-11-30 02:13:59,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:13:59,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1988011892, now seen corresponding path program 1 times [2020-11-30 02:13:59,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:13:59,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696843263] [2020-11-30 02:13:59,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 [2020-11-30 02:14:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:14:00,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 02:14:00,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:14:00,266 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:14:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:14:00,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:14:00,550 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:14:00,555 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-30 02:14:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:14:00,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696843263] [2020-11-30 02:14:00,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:14:00,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-30 02:14:00,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960520092] [2020-11-30 02:14:00,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:14:00,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:14:00,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:14:00,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:14:00,615 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2020-11-30 02:14:01,203 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 12 [2020-11-30 02:14:01,336 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-11-30 02:14:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:14:05,758 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2020-11-30 02:14:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:14:05,779 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2020-11-30 02:14:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:14:05,780 INFO L225 Difference]: With dead ends: 43 [2020-11-30 02:14:05,780 INFO L226 Difference]: Without dead ends: 31 [2020-11-30 02:14:05,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:14:05,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-30 02:14:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-30 02:14:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 02:14:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-11-30 02:14:05,786 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 10 [2020-11-30 02:14:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:14:05,786 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-11-30 02:14:05,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:14:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-11-30 02:14:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 02:14:05,787 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:14:05,788 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] [2020-11-30 02:14:05,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:14:05,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_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.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_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]=== [2020-11-30 02:14:05,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:14:05,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1182639065, now seen corresponding path program 1 times [2020-11-30 02:14:05,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:14:05,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702217797] [2020-11-30 02:14:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 [2020-11-30 02:14:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:14:07,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:14:07,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:14:13,473 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 [2020-11-30 02:14:15,482 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 [2020-11-30 02:14:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:14:19,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:14:24,479 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-30 02:14:26,679 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) c_ULTIMATE.start_main_~f~0) (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from true [2020-11-30 02:14:28,699 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from false [2020-11-30 02:14:30,710 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from true [2020-11-30 02:14:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:14:30,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702217797] [2020-11-30 02:14:30,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:14:30,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-11-30 02:14:30,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703561653] [2020-11-30 02:14:30,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:14:30,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:14:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:14:30,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2020-11-30 02:14:30,731 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 9 states. [2020-11-30 02:14:33,016 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0)))))) is different from false [2020-11-30 02:14:42,505 WARN L193 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2020-11-30 02:14:52,048 WARN L193 SmtUtils]: Spent 7.88 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-11-30 02:14:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:14:55,356 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-11-30 02:14:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:14:55,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-30 02:14:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:14:55,393 INFO L225 Difference]: With dead ends: 31 [2020-11-30 02:14:55,393 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 02:14:55,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.8s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2020-11-30 02:14:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 02:14:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-11-30 02:14:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 02:14:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2020-11-30 02:14:55,397 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 21 [2020-11-30 02:14:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:14:55,397 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2020-11-30 02:14:55,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:14:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2020-11-30 02:14:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 02:14:55,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:14:55,398 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] [2020-11-30 02:14:55,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:14:55,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_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.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_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]=== [2020-11-30 02:14:55,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:14:55,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1094029324, now seen corresponding path program 1 times [2020-11-30 02:14:55,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:14:55,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91830831] [2020-11-30 02:14:55,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/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 [2020-11-30 02:14:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:14:57,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:14:57,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:15:03,457 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.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-11-30 02:15:05,475 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.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-11-30 02:15:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:09,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:15:15,992 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 6 [2020-11-30 02:15:18,503 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0) (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from true [2020-11-30 02:15:20,537 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from false [2020-11-30 02:15:22,566 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from true [2020-11-30 02:15:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:22,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91830831] [2020-11-30 02:15:22,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:15:22,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-30 02:15:22,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120308890] [2020-11-30 02:15:22,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:15:22,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:15:22,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:15:22,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2020-11-30 02:15:22,589 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 9 states. [2020-11-30 02:15:24,986 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0)))))) is different from false [2020-11-30 02:15:41,537 WARN L193 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2020-11-30 02:15:59,249 WARN L193 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-11-30 02:16:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:16:03,113 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-11-30 02:16:03,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:16:03,138 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-11-30 02:16:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:16:03,138 INFO L225 Difference]: With dead ends: 28 [2020-11-30 02:16:03,138 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:16:03,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.8s TimeCoverageRelationStatistics Valid=31, Invalid=30, Unknown=11, NotChecked=60, Total=132 [2020-11-30 02:16:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:16:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:16:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:16:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:16:03,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-30 02:16:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:16:03,140 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:16:03,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:16:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:16:03,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:16:03,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 02:16:03,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point L1026-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point L1027-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 02:16:03,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point L1028-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point L995-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point L1029-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,347 INFO L274 CegarLoopResult]: For program point L996-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L997-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,348 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,349 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,350 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L998-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,351 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,352 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-44(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-46(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-47(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-48(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-50(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,353 INFO L274 CegarLoopResult]: For program point L964-51(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-52(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-54(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-55(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-56(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-58(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-59(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point L964-60(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,354 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L999-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L964-62(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L964-63(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L964-64(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L964-66(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,355 INFO L274 CegarLoopResult]: For program point L964-67(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-68(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-70(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-71(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-72(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-74(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-75(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-76(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,356 INFO L274 CegarLoopResult]: For program point L964-78(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-79(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-80(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-82(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-83(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-84(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-86(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-87(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,357 INFO L274 CegarLoopResult]: For program point L964-88(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-90(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-91(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-92(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-94(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-95(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,358 INFO L274 CegarLoopResult]: For program point L964-96(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-98(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-99(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-100(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-102(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-103(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-104(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-106(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,359 INFO L274 CegarLoopResult]: For program point L964-107(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-108(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-110(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-111(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-112(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-114(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,360 INFO L274 CegarLoopResult]: For program point L964-115(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-116(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-118(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-119(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-120(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-122(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,361 INFO L274 CegarLoopResult]: For program point L964-123(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-124(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-126(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-127(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-128(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-130(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-131(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,362 INFO L274 CegarLoopResult]: For program point L964-132(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-134(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-135(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-136(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-138(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-139(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-140(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-142(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,363 INFO L274 CegarLoopResult]: For program point L964-143(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point L1004-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,364 INFO L274 CegarLoopResult]: For program point L1005-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point L1006-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point L1007-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,365 INFO L274 CegarLoopResult]: For program point L1008-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point L1009-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point L976-2(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,366 INFO L274 CegarLoopResult]: For program point L977-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,368 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point L1012-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point L979-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point L1013-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point L1014-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point L1015-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point L1016-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point L983-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point L1017-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point L1018-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:16:03,371 INFO L274 CegarLoopResult]: For program point L1019-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,372 INFO L274 CegarLoopResult]: For program point L986-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,372 INFO L274 CegarLoopResult]: For program point L1022-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,373 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:16:03,373 INFO L274 CegarLoopResult]: For program point L1023-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point L990-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point L1024-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point L991-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point L1025-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point L992-1(lines 967 1031) no Hoare annotation was computed. [2020-11-30 02:16:03,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,375 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-30 02:16:03,375 INFO L274 CegarLoopResult]: For program point L2(lines 2 4) no Hoare annotation was computed. [2020-11-30 02:16:03,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:16:03 BoogieIcfgContainer [2020-11-30 02:16:03,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:16:03,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:16:03,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:16:03,380 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:16:03,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:13:58" (3/4) ... [2020-11-30 02:16:03,384 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:16:03,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 02:16:03,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 02:16:03,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:16:03,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:16:03,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e5e1346d-21b2-4367-9a1c-fcf9ecf503f3/bin/utaipan/witness.graphml [2020-11-30 02:16:03,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:16:03,533 INFO L168 Benchmark]: Toolchain (without parser) took 128643.06 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 52.4 MB in the beginning and 60.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,534 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:03,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1181.53 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 67.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.62 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 64.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,535 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,536 INFO L168 Benchmark]: RCFGBuilder took 2413.92 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 59.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,537 INFO L168 Benchmark]: TraceAbstraction took 124746.69 ms. Allocated memory is still 88.1 MB. Free memory was 59.1 MB in the beginning and 30.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,537 INFO L168 Benchmark]: Witness Printer took 152.15 ms. Allocated memory is still 88.1 MB. Free memory was 30.5 MB in the beginning and 60.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:03,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1181.53 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 67.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.62 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 64.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.95 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2413.92 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 59.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 124746.69 ms. Allocated memory is still 88.1 MB. Free memory was 59.1 MB in the beginning and 30.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * Witness Printer took 152.15 ms. Allocated memory is still 88.1 MB. Free memory was 30.5 MB in the beginning and 60.9 MB in the end (delta: -30.3 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: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 124.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 70.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 147 SDslu, 28 SDs, 0 SdLazy, 87 SolverSat, 15 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 106 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 84.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred 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, 4 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, 3.7s SatisfiabilityAnalysisTime, 49.3s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 17 QuantifiedInterpolants, 32108 SizeOfPredicates, 12 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...