./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8 --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 56cada53f042fcd24b6485c89e48b59538635599 ..................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8 --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 56cada53f042fcd24b6485c89e48b59538635599 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:37:45,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:37:45,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:37:45,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:37:45,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:37:45,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:37:45,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:37:45,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:37:45,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:37:45,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:37:45,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:37:45,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:37:45,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:37:45,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:37:45,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:37:45,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:37:45,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:37:45,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:37:45,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:37:45,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:37:45,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:37:45,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:37:45,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:37:45,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:37:45,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:37:45,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:37:45,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:37:45,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:37:45,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:37:45,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:37:45,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:37:45,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:37:45,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:37:45,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:37:45,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:37:45,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:37:45,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:37:45,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:37:45,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:37:45,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:37:45,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:37:45,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:37:45,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:37:45,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:37:45,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:37:45,981 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:37:45,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:37:45,981 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:37:45,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:37:45,982 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:37:45,982 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:37:45,982 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:37:45,982 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:37:45,983 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:37:45,983 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:37:45,983 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:37:45,983 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:37:45,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:37:45,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:37:45,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:37:45,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:37:45,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:37:45,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:37:45,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:37:45,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:37:45,986 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:37:45,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:37:45,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:37:45,986 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:37:45,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:37:45,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:37:45,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:37:45,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:37:45,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:37:45,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:37:45,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:37:45,988 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:37:45,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:37:45,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:37:45,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:37:45,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:37:45,989 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_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56cada53f042fcd24b6485c89e48b59538635599 [2021-10-13 07:37:46,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:37:46,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:37:46,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:37:46,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:37:46,288 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:37:46,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i [2021-10-13 07:37:46,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/121a5dc27/4c52c2a0834240bab9a5dfd27670211e/FLAGfb7393c2c [2021-10-13 07:37:47,027 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:37:47,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i [2021-10-13 07:37:47,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/121a5dc27/4c52c2a0834240bab9a5dfd27670211e/FLAGfb7393c2c [2021-10-13 07:37:47,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/121a5dc27/4c52c2a0834240bab9a5dfd27670211e [2021-10-13 07:37:47,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:37:47,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:37:47,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:37:47,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:37:47,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:37:47,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:47" (1/1) ... [2021-10-13 07:37:47,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f58a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:47, skipping insertion in model container [2021-10-13 07:37:47,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:47" (1/1) ... [2021-10-13 07:37:47,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:37:47,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:37:48,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i[36289,36302] [2021-10-13 07:37:48,131 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:363) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$48(StandardFunctionHandler.java:368) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) 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:1359) 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:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:37:48,137 INFO L168 Benchmark]: Toolchain (without parser) took 834.42 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.5 MB in the beginning and 102.0 MB in the end (delta: -45.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:48,138 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 63.7 MB in the beginning and 63.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:37:48,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.01 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 102.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:48,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 63.7 MB in the beginning and 63.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.01 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 102.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:37:50,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:37:50,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:37:50,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:37:50,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:37:50,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:37:50,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:37:50,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:37:50,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:37:50,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:37:50,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:37:50,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:37:50,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:37:50,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:37:50,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:37:50,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:37:50,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:37:50,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:37:50,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:37:50,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:37:50,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:37:50,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:37:50,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:37:50,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:37:50,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:37:50,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:37:50,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:37:50,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:37:50,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:37:50,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:37:50,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:37:50,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:37:50,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:37:50,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:37:50,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:37:50,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:37:50,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:37:50,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:37:50,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:37:50,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:37:50,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:37:50,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:37:50,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:37:50,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:37:50,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:37:50,656 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:37:50,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:37:50,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:37:50,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:37:50,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:37:50,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:37:50,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:37:50,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:37:50,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:37:50,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:37:50,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:37:50,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:37:50,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:37:50,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:37:50,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:37:50,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:37:50,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:37:50,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:37:50,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:37:50,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:37:50,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:37:50,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:37:50,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:37:50,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:37:50,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:37:50,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:37:50,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:37:50,662 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:37:50,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:37:50,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:37:50,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:37:50,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:37:50,663 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_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56cada53f042fcd24b6485c89e48b59538635599 [2021-10-13 07:37:51,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:37:51,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:37:51,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:37:51,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:37:51,084 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:37:51,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i [2021-10-13 07:37:51,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/bf198fc62/ec693464d88249e7849d49aa4cc1270d/FLAG1b51f9f18 [2021-10-13 07:37:51,847 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:37:51,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i [2021-10-13 07:37:51,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/bf198fc62/ec693464d88249e7849d49aa4cc1270d/FLAG1b51f9f18 [2021-10-13 07:37:52,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/data/bf198fc62/ec693464d88249e7849d49aa4cc1270d [2021-10-13 07:37:52,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:37:52,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:37:52,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:37:52,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:37:52,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:37:52,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:52" (1/1) ... [2021-10-13 07:37:52,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b2ae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:52, skipping insertion in model container [2021-10-13 07:37:52,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:37:52" (1/1) ... [2021-10-13 07:37:52,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:37:52,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:37:52,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i[36289,36302] [2021-10-13 07:37:52,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:37:52,828 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:37:52,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/sv-benchmarks/c/floats-esbmc-regression/isgreaterequal.i[36289,36302] [2021-10-13 07:37:52,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:37:53,020 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:37:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53 WrapperNode [2021-10-13 07:37:53,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:37:53,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:37:53,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:37:53,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:37:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:37:53,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:37:53,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:37:53,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:37:53,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:37:53,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:37:53,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:37:53,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:37:53,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (1/1) ... [2021-10-13 07:37:53,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:37:53,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:37:53,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:37:53,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:37:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:37:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:37:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:37:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:37:53,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:37:53,547 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-13 07:37:53,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:37:53 BoogieIcfgContainer [2021-10-13 07:37:53,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:37:53,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:37:53,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:37:53,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:37:53,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:37:52" (1/3) ... [2021-10-13 07:37:53,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc18115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:37:53, skipping insertion in model container [2021-10-13 07:37:53,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:37:53" (2/3) ... [2021-10-13 07:37:53,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc18115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:37:53, skipping insertion in model container [2021-10-13 07:37:53,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:37:53" (3/3) ... [2021-10-13 07:37:53,558 INFO L111 eAbstractionObserver]: Analyzing ICFG isgreaterequal.i [2021-10-13 07:37:53,564 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:37:53,564 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-13 07:37:53,612 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:37:53,619 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:37:53,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-13 07:37:53,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:37:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:37:53,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:37:53,640 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:37:53,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-13 07:37:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:37:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-13 07:37:53,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:37:53,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425972007] [2021-10-13 07:37:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:37:53,679 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:37:53,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:37:53,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:37:53,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:37:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:37:53,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:37:53,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:37:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:37:53,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:37:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:37:54,018 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:37:54,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425972007] [2021-10-13 07:37:54,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425972007] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:37:54,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:37:54,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:37:54,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182689230] [2021-10-13 07:37:54,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:37:54,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:37:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:37:54,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:37:54,051 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:37:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:37:54,098 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-10-13 07:37:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:37:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 07:37:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:37:54,106 INFO L225 Difference]: With dead ends: 37 [2021-10-13 07:37:54,106 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:37:54,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:37:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:37:54,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:37:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:37:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:37:54,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-13 07:37:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:37:54,136 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:37:54,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:37:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:37:54,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:37:54,140 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:37:54,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:37:54,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:37:54,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:37:54,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:37:54,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:37:54,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:37:54,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:37:54,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:37:54,427 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,429 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,429 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,429 INFO L853 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,430 INFO L857 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,430 INFO L857 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,431 INFO L853 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,431 INFO L857 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,431 INFO L857 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,432 INFO L853 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,432 INFO L857 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,432 INFO L857 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,433 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:37:54,434 INFO L853 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,434 INFO L857 garLoopResultBuilder]: For program point L878-16(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,434 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,435 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:37:54,435 INFO L857 garLoopResultBuilder]: For program point L878-17(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,435 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:37:54,436 INFO L853 garLoopResultBuilder]: At program point L878-19(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,436 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,437 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:37:54,438 INFO L853 garLoopResultBuilder]: At program point L888(lines 880 889) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 07:37:54,438 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,438 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 07:37:54,443 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:37:54,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:37:54 BoogieIcfgContainer [2021-10-13 07:37:54,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:37:54,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:37:54,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:37:54,472 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:37:54,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:37:53" (3/4) ... [2021-10-13 07:37:54,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:37:54,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-13 07:37:54,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:37:54,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:37:54,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:37:54,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:37:54,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:37:54,549 INFO L168 Benchmark]: Toolchain (without parser) took 2462.17 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.2 MB in the beginning and 53.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,556 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:37:54,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.38 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.9 MB in the beginning and 45.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.18 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,559 INFO L168 Benchmark]: Boogie Preprocessor took 53.55 ms. Allocated memory is still 77.6 MB. Free memory was 43.4 MB in the beginning and 42.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,560 INFO L168 Benchmark]: RCFGBuilder took 389.39 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 55.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,560 INFO L168 Benchmark]: TraceAbstraction took 914.68 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 56.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,561 INFO L168 Benchmark]: Witness Printer took 76.80 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:37:54,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 934.38 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.9 MB in the beginning and 45.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.18 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.55 ms. Allocated memory is still 77.6 MB. Free memory was 43.4 MB in the beginning and 42.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 389.39 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 55.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 914.68 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 56.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 76.80 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 1 procedures, 25 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 832.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.5ms, AutomataDifference: 81.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 68.9ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 18 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 47.4ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 14.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 23.9ms SsaConstructionTime, 25.7ms SatisfiabilityAnalysisTime, 230.4ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 3 NumberOfNonLiveVariables, 22 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 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:37:54,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf27916-2b49-4589-a2bb-5ec4e78ccb03/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...