./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/islessgreater.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_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/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_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/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_471124db-2c08-4de6-9c16-c98d29a6aac1/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 1386835a334aaab78859d8980edad8936e7b4a8177d4528a392b76a89be86198 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:44:04,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:44:04,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:44:04,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:44:04,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:44:04,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:44:04,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:44:04,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:44:04,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:44:04,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:44:04,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:44:04,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:44:04,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:44:04,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:44:04,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:44:04,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:44:04,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:44:04,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:44:04,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:44:04,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:44:04,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:44:04,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:44:04,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:44:04,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:44:04,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:44:04,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:44:04,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:44:04,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:44:04,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:44:04,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:44:04,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:44:04,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:44:04,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:44:04,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:44:04,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:44:04,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:44:04,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:44:04,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:44:04,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:44:04,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:44:04,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:44:04,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:44:05,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:44:05,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:44:05,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:44:05,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:44:05,013 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:44:05,014 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:44:05,014 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:44:05,015 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:44:05,023 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:44:05,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:44:05,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:44:05,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:44:05,027 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:44:05,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:44:05,027 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:44:05,028 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:44:05,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:44:05,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:44:05,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:44:05,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:44:05,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:44:05,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:44:05,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:44:05,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:44:05,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:44:05,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:44:05,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:44:05,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:44:05,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:44:05,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:44:05,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:44:05,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:05,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:44:05,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:44:05,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:44:05,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:44:05,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:44:05,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:44:05,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:44:05,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:44:05,039 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_471124db-2c08-4de6-9c16-c98d29a6aac1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1386835a334aaab78859d8980edad8936e7b4a8177d4528a392b76a89be86198 [2021-11-19 14:44:05,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:44:05,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:44:05,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:44:05,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:44:05,459 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:44:05,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-11-19 14:44:05,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/c6ae1acb3/ebc1240a1f6246928620163aa2274e3d/FLAG4e84399fa [2021-11-19 14:44:06,278 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:44:06,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-11-19 14:44:06,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/c6ae1acb3/ebc1240a1f6246928620163aa2274e3d/FLAG4e84399fa [2021-11-19 14:44:06,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/c6ae1acb3/ebc1240a1f6246928620163aa2274e3d [2021-11-19 14:44:06,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:44:06,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:44:06,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:06,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:44:06,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:44:06,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:06" (1/1) ... [2021-11-19 14:44:06,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa5c804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:06, skipping insertion in model container [2021-11-19 14:44:06,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:06" (1/1) ... [2021-11-19 14:44:06,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:44:06,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:07,407 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_471124db-2c08-4de6-9c16-c98d29a6aac1/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-11-19 14:44:07,419 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.handleFloatBuiltinIsLessGreater(StandardFunctionHandler.java:1890) 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.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 14:44:07,427 INFO L158 Benchmark]: Toolchain (without parser) took 942.27ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 67.3MB in the end (delta: -9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:44:07,428 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:44:07,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.69ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 67.3MB in the end (delta: -9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:44:07,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.69ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 67.3MB in the end (delta: -9.3MB). Peak memory consumption was 12.6MB. 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_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/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_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/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_471124db-2c08-4de6-9c16-c98d29a6aac1/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 1386835a334aaab78859d8980edad8936e7b4a8177d4528a392b76a89be86198 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:44:10,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:44:10,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:44:10,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:44:10,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:44:10,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:44:10,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:44:10,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:44:10,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:44:10,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:44:10,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:44:10,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:44:10,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:44:10,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:44:10,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:44:10,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:44:10,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:44:10,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:44:10,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:44:10,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:44:10,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:44:10,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:44:10,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:44:10,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:44:10,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:44:10,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:44:10,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:44:10,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:44:10,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:44:10,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:44:10,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:44:10,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:44:10,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:44:10,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:44:10,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:44:10,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:44:10,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:44:10,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:44:10,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:44:10,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:44:10,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:44:10,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:44:10,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:44:10,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:44:10,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:44:10,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:44:10,802 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:44:10,802 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:44:10,802 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:44:10,803 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:44:10,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:44:10,803 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:44:10,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:44:10,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:44:10,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:44:10,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:44:10,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:44:10,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:44:10,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:44:10,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:44:10,809 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:44:10,809 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:44:10,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:44:10,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:44:10,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:44:10,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:44:10,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:44:10,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:44:10,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:44:10,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:10,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:44:10,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:44:10,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:44:10,813 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:44:10,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:44:10,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:44:10,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:44:10,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:44:10,814 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_471124db-2c08-4de6-9c16-c98d29a6aac1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1386835a334aaab78859d8980edad8936e7b4a8177d4528a392b76a89be86198 [2021-11-19 14:44:11,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:44:11,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:44:11,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:44:11,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:44:11,454 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:44:11,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-11-19 14:44:11,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/80c9ea2b0/58c1439420ea42aca1a5911761301cd9/FLAG743bb1b94 [2021-11-19 14:44:12,345 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:44:12,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-11-19 14:44:12,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/80c9ea2b0/58c1439420ea42aca1a5911761301cd9/FLAG743bb1b94 [2021-11-19 14:44:12,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/data/80c9ea2b0/58c1439420ea42aca1a5911761301cd9 [2021-11-19 14:44:12,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:44:12,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:44:12,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:12,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:44:12,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:44:12,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:12" (1/1) ... [2021-11-19 14:44:12,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50181fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:12, skipping insertion in model container [2021-11-19 14:44:12,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:12" (1/1) ... [2021-11-19 14:44:12,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:44:12,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:13,355 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_471124db-2c08-4de6-9c16-c98d29a6aac1/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-11-19 14:44:13,376 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:13,415 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:44:13,488 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_471124db-2c08-4de6-9c16-c98d29a6aac1/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-11-19 14:44:13,492 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:13,763 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:44:13,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13 WrapperNode [2021-11-19 14:44:13,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:13,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:13,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:44:13,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:44:13,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,874 INFO L137 Inliner]: procedures = 448, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2021-11-19 14:44:13,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:13,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:44:13,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:44:13,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:44:13,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:44:13,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:44:13,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:44:13,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:44:13,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (1/1) ... [2021-11-19 14:44:13,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:44:13,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:44:14,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:44:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:44:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:44:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:44:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:44:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:44:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:44:14,199 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:44:14,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:44:14,343 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:44:14,366 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:44:14,370 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:44:14,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:14 BoogieIcfgContainer [2021-11-19 14:44:14,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:44:14,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:44:14,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:44:14,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:44:14,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:44:12" (1/3) ... [2021-11-19 14:44:14,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a23bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:44:14, skipping insertion in model container [2021-11-19 14:44:14,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:13" (2/3) ... [2021-11-19 14:44:14,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a23bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:44:14, skipping insertion in model container [2021-11-19 14:44:14,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:14" (3/3) ... [2021-11-19 14:44:14,387 INFO L111 eAbstractionObserver]: Analyzing ICFG islessgreater.i [2021-11-19 14:44:14,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:44:14,405 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:44:14,495 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:44:14,511 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 14:44:14,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:44:14,543 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 14:44:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 14:44:14,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:44:14,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 14:44:14,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:44:14,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:44:14,580 INFO L85 PathProgramCache]: Analyzing trace with hash 890047930, now seen corresponding path program 1 times [2021-11-19 14:44:14,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:44:14,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985705250] [2021-11-19 14:44:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:44:14,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:44:14,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:44:14,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:44:14,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:44:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:44:14,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:44:14,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:44:15,008 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 14:44:15,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:44:15,097 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 14:44:15,099 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:44:15,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985705250] [2021-11-19 14:44:15,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985705250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:44:15,100 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:44:15,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:44:15,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401153521] [2021-11-19 14:44:15,104 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:44:15,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:44:15,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:44:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:44:15,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:44:15,161 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 14:44:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:44:15,307 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2021-11-19 14:44:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:44:15,310 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 14:44:15,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:44:15,318 INFO L225 Difference]: With dead ends: 29 [2021-11-19 14:44:15,318 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:44:15,324 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 14:44:15,330 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 14:44:15,332 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 14:44:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:44:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:44:15,363 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 14:44:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:44:15,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-19 14:44:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:44:15,366 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:44:15,366 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 14:44:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:44:15,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:44:15,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:44:15,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:44:15,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:44:15,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:44:15,621 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:44:15,623 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 14:44:15,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:44:15,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 14:44:15,625 INFO L861 garLoopResultBuilder]: At program point L888(lines 880 889) the Hoare annotation is: true [2021-11-19 14:44:15,625 INFO L858 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2021-11-19 14:44:15,626 INFO L861 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2021-11-19 14:44:15,626 INFO L861 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2021-11-19 14:44:15,627 INFO L861 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2021-11-19 14:44:15,628 INFO L861 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2021-11-19 14:44:15,629 INFO L861 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2021-11-19 14:44:15,630 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true [2021-11-19 14:44:15,631 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-11-19 14:44:15,631 INFO L858 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-11-19 14:44:15,631 INFO L858 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2021-11-19 14:44:15,632 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2021-11-19 14:44:15,632 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-19 14:44:15,641 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 14:44:15,646 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:44:15,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:44:15 BoogieIcfgContainer [2021-11-19 14:44:15,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:44:15,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:44:15,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:44:15,665 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:44:15,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:14" (3/4) ... [2021-11-19 14:44:15,671 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:44:15,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 14:44:15,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 14:44:15,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 14:44:15,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:44:15,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:44:15,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:44:15,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:44:15,750 INFO L158 Benchmark]: Toolchain (without parser) took 3182.16ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 51.6MB in the end (delta: -10.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,751 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:44:15,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1206.38ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 41.0MB in the beginning and 66.1MB in the end (delta: -25.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.11ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 63.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,753 INFO L158 Benchmark]: Boogie Preprocessor took 53.28ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,754 INFO L158 Benchmark]: RCFGBuilder took 442.88ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 54.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,754 INFO L158 Benchmark]: TraceAbstraction took 1286.34ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 54.2MB in the end (delta: -276.3kB). Peak memory consumption was 540.8kB. Max. memory is 16.1GB. [2021-11-19 14:44:15,762 INFO L158 Benchmark]: Witness Printer took 82.46ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 51.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 14:44:15,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1206.38ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 41.0MB in the beginning and 66.1MB in the end (delta: -25.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.11ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 63.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.28ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.88ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 54.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1286.34ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 54.2MB in the end (delta: -276.3kB). Peak memory consumption was 540.8kB. Max. memory is 16.1GB. * Witness Printer took 82.46ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 51.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. 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: 1.2s, 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, 0.1s 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, 0.4s 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 14:44:15,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471124db-2c08-4de6-9c16-c98d29a6aac1/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