./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs --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 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:55,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:55,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:55,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:55,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:55,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:55,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:55,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:55,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:55,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:55,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:56,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:56,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:56,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:56,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:56,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:56,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:56,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:56,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:56,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:56,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:56,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:56,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:56,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:56,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:56,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:56,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:56,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:56,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:56,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:56,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:56,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:56,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:56,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:56,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:56,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:56,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:56,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:56,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:56,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:56,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:56,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 13:25:56,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:56,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:56,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:56,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:56,064 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:56,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:56,064 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:56,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:25:56,064 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:56,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:56,065 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:25:56,065 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:25:56,065 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:56,066 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:25:56,066 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:25:56,066 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:25:56,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:56,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:25:56,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:25:56,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:25:56,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:56,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:56,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:56,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:56,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:56,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:25:56,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:56,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:56,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:56,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:56,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:56,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:56,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:56,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:56,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:56,071 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:25:56,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:25:56,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:56,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:56,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:56,072 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 [2021-11-19 13:25:56,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:56,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:56,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:56,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:56,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:56,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2021-11-19 13:25:56,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/05202365b/bb767d2786514be6bf32cbaf387cc2ba/FLAG6b123ca36 [2021-11-19 13:25:57,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:57,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2021-11-19 13:25:57,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/05202365b/bb767d2786514be6bf32cbaf387cc2ba/FLAG6b123ca36 [2021-11-19 13:25:57,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/05202365b/bb767d2786514be6bf32cbaf387cc2ba [2021-11-19 13:25:57,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:57,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:57,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:57,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:57,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:57,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:57" (1/1) ... [2021-11-19 13:25:57,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198ab6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:57, skipping insertion in model container [2021-11-19 13:25:57,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:57" (1/1) ... [2021-11-19 13:25:57,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:57,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:58,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2021-11-19 13:25:58,143 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$51(StandardFunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1438) 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:2400) 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:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1820) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$57(StandardFunctionHandler.java:395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1438) 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:2400) 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:177) 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:1445) 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:1389) 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:1076) 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:1460) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2350) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 13:25:58,154 INFO L158 Benchmark]: Toolchain (without parser) took 815.57ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 62.3MB in the beginning and 90.2MB in the end (delta: -27.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:25:58,156 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:25:58,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.65ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 90.2MB in the end (delta: -28.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:25:58,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.65ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 90.2MB in the end (delta: -28.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs --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 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:26:00,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:26:00,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:26:00,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:26:00,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:26:00,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:26:00,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:26:00,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:26:00,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:26:00,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:26:00,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:26:00,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:26:00,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:26:00,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:26:00,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:26:00,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:26:00,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:26:00,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:26:00,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:26:00,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:26:00,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:26:00,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:26:00,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:26:00,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:26:00,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:26:00,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:26:00,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:26:00,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:26:00,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:26:00,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:26:00,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:26:00,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:26:00,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:26:00,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:26:00,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:26:00,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:26:00,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:26:00,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:26:00,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:26:00,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:26:00,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:26:00,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 13:26:00,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:26:00,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:26:00,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:26:00,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:26:00,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:26:00,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:26:00,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:26:00,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:26:00,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:26:00,491 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:26:00,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:26:00,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:26:00,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:26:00,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:26:00,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:26:00,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:26:00,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:26:00,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:26:00,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:26:00,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:26:00,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:26:00,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:26:00,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:26:00,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:26:00,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:26:00,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:26:00,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:26:00,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:26:00,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:26:00,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:26:00,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:26:00,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:26:00,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:26:00,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:26:00,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:26:00,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:26:00,504 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 [2021-11-19 13:26:00,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:26:00,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:26:00,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:26:00,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:26:00,911 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:26:00,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2021-11-19 13:26:00,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/62638fbfa/26a1b0cf26fc4415aadfb8fdd439aec3/FLAGf21b4abf5 [2021-11-19 13:26:01,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:26:01,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2021-11-19 13:26:01,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/62638fbfa/26a1b0cf26fc4415aadfb8fdd439aec3/FLAGf21b4abf5 [2021-11-19 13:26:01,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/data/62638fbfa/26a1b0cf26fc4415aadfb8fdd439aec3 [2021-11-19 13:26:01,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:26:01,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:26:01,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:26:01,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:26:01,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:26:01,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:01" (1/1) ... [2021-11-19 13:26:01,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a6aa03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:01, skipping insertion in model container [2021-11-19 13:26:01,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:26:01" (1/1) ... [2021-11-19 13:26:01,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:26:01,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:26:02,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2021-11-19 13:26:02,463 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:26:02,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:26:02,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2021-11-19 13:26:02,516 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:26:02,661 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:26:02,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02 WrapperNode [2021-11-19 13:26:02,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:26:02,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:26:02,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:26:02,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:26:02,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,716 INFO L137 Inliner]: procedures = 448, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2021-11-19 13:26:02,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:26:02,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:26:02,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:26:02,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:26:02,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:26:02,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:26:02,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:26:02,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:26:02,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (1/1) ... [2021-11-19 13:26:02,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:26:02,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:26:02,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:26:02,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:26:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:26:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 13:26:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 13:26:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:26:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:26:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:26:02,934 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:26:02,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:26:02,996 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:26:03,002 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:26:03,002 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:26:03,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:03 BoogieIcfgContainer [2021-11-19 13:26:03,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:26:03,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:26:03,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:26:03,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:26:03,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:26:01" (1/3) ... [2021-11-19 13:26:03,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b80d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:03, skipping insertion in model container [2021-11-19 13:26:03,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:26:02" (2/3) ... [2021-11-19 13:26:03,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b80d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:03, skipping insertion in model container [2021-11-19 13:26:03,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:03" (3/3) ... [2021-11-19 13:26:03,012 INFO L111 eAbstractionObserver]: Analyzing ICFG islessequal.i [2021-11-19 13:26:03,017 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:26:03,017 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:26:03,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:26:03,071 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:26:03,071 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:26:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 13:26:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 13:26:03,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:03,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 13:26:03,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:03,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:03,098 INFO L85 PathProgramCache]: Analyzing trace with hash 890047930, now seen corresponding path program 1 times [2021-11-19 13:26:03,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:03,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108676301] [2021-11-19 13:26:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:03,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:03,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:03,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:26:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:03,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:26:03,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:03,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:26:03,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:03,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108676301] [2021-11-19 13:26:03,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108676301] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:03,395 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:03,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 13:26:03,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19594313] [2021-11-19 13:26:03,399 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:03,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:26:03,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:03,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:26:03,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:26:03,445 INFO L87 Difference]: Start difference. First operand has 17 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:03,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:03,590 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2021-11-19 13:26:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:26:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 13:26:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:03,605 INFO L225 Difference]: With dead ends: 29 [2021-11-19 13:26:03,605 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:26:03,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:26:03,617 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:03,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 36 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:26:03,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:26:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:26:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:26:03,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-19 13:26:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:03,642 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:26:03,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:26:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:26:03,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:26:03,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:26:03,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:03,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:03,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 13:26:03,882 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 13:26:03,883 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 13:26:03,883 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 13:26:03,883 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 13:26:03,883 INFO L861 garLoopResultBuilder]: At program point L888(lines 880 889) the Hoare annotation is: true [2021-11-19 13:26:03,883 INFO L858 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2021-11-19 13:26:03,884 INFO L861 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2021-11-19 13:26:03,884 INFO L861 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2021-11-19 13:26:03,884 INFO L861 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2021-11-19 13:26:03,884 INFO L861 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2021-11-19 13:26:03,884 INFO L861 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2021-11-19 13:26:03,885 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true [2021-11-19 13:26:03,885 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-11-19 13:26:03,885 INFO L858 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-11-19 13:26:03,885 INFO L858 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2021-11-19 13:26:03,885 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2021-11-19 13:26:03,886 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-19 13:26:03,889 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 13:26:03,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:26:03,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:26:03 BoogieIcfgContainer [2021-11-19 13:26:03,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:26:03,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:26:03,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:26:03,909 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:26:03,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:03" (3/4) ... [2021-11-19 13:26:03,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:26:03,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 13:26:03,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 13:26:03,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 13:26:03,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 13:26:03,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:26:03,966 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:26:03,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:26:03,967 INFO L158 Benchmark]: Toolchain (without parser) took 2031.78ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.4MB in the beginning and 41.4MB in the end (delta: -6.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,968 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:26:03,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.70ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.2MB in the beginning and 39.1MB in the end (delta: -3.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.29ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 36.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,969 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 71.3MB. Free memory was 36.4MB in the beginning and 35.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,970 INFO L158 Benchmark]: RCFGBuilder took 264.11ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 48.2MB in the end (delta: -12.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,970 INFO L158 Benchmark]: TraceAbstraction took 900.74ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 43.6MB in the end (delta: 3.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,971 INFO L158 Benchmark]: Witness Printer took 57.48ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 41.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:26:03,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.70ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.2MB in the beginning and 39.1MB in the end (delta: -3.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.29ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 36.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 71.3MB. Free memory was 36.4MB in the beginning and 35.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.11ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 48.2MB in the end (delta: -12.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 900.74ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 43.6MB in the end (delta: 3.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 57.48ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 41.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 11 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 15 PreInvPairs, 20 NumberOfFragments, 7 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 3 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 13:26:04,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cd9a913-6837-4fb0-89cd-96d5922f22ff/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE