./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG --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 6f9bb533a6ae968b56a3b4121531d019ea186c25a1e8156a6682080f16505ca3 ................................................................................................................................................................................................................................................. 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_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG --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 6f9bb533a6ae968b56a3b4121531d019ea186c25a1e8156a6682080f16505ca3 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:26:13,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:26:13,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:26:14,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:26:14,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:26:14,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:26:14,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:26:14,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:26:14,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:26:14,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:26:14,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:26:14,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:26:14,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:26:14,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:26:14,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:26:14,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:26:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:26:14,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:26:14,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:26:14,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:26:14,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:26:14,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:26:14,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:26:14,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:26:14,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:26:14,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:26:14,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:26:14,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:26:14,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:26:14,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:26:14,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:26:14,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:26:14,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:26:14,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:26:14,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:26:14,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:26:14,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:26:14,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:26:14,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:26:14,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:26:14,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:26:14,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:26:14,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:26:14,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:26:14,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:26:14,134 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:26:14,134 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:26:14,134 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:26:14,134 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:26:14,135 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:26:14,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:26:14,135 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:26:14,135 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:26:14,136 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:26:14,136 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:26:14,136 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:26:14,136 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:26:14,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:26:14,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:26:14,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:26:14,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:26:14,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:26:14,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:26:14,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:26:14,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:26:14,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:26:14,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:26:14,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:26:14,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:26:14,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:26:14,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:26:14,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:26:14,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:14,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:26:14,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:26:14,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:26:14,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:26:14,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:26:14,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:26:14,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:26:14,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:26:14,143 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_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f9bb533a6ae968b56a3b4121531d019ea186c25a1e8156a6682080f16505ca3 [2021-10-29 05:26:14,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:26:14,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:26:14,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:26:14,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:26:14,430 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:26:14,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-29 05:26:14,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/6b7897f23/4e871dcdfa604136a22ed0275eb7a63a/FLAGbf99d540d [2021-10-29 05:26:14,997 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:26:14,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-29 05:26:15,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/6b7897f23/4e871dcdfa604136a22ed0275eb7a63a/FLAGbf99d540d [2021-10-29 05:26:15,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/6b7897f23/4e871dcdfa604136a22ed0275eb7a63a [2021-10-29 05:26:15,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:26:15,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:26:15,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:15,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:26:15,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:26:15,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c171a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15, skipping insertion in model container [2021-10-29 05:26:15,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:26:15,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:26:15,579 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_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-29 05:26:15,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:15,613 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:26:15,626 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_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-29 05:26:15,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:15,646 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:26:15,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15 WrapperNode [2021-10-29 05:26:15,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:15,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:15,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:26:15,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:26:15,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:15,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:26:15,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:26:15,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:26:15,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:26:15,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:26:15,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:26:15,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:26:15,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (1/1) ... [2021-10-29 05:26:15,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:26:15,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:26:15,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:26:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:26:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:26:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:26:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:26:16,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:26:16,040 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 05:26:16,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:16 BoogieIcfgContainer [2021-10-29 05:26:16,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:26:16,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:26:16,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:26:16,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:26:16,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:26:15" (1/3) ... [2021-10-29 05:26:16,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce11b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:16, skipping insertion in model container [2021-10-29 05:26:16,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:15" (2/3) ... [2021-10-29 05:26:16,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce11b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:16, skipping insertion in model container [2021-10-29 05:26:16,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:16" (3/3) ... [2021-10-29 05:26:16,050 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_bad_while.c [2021-10-29 05:26:16,055 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:26:16,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:26:16,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:26:16,107 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 [2021-10-29 05:26:16,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:26:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-10-29 05:26:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:26:16,125 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:16,125 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:26:16,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:16,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:16,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1850503, now seen corresponding path program 1 times [2021-10-29 05:26:16,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:26:16,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351868201] [2021-10-29 05:26:16,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:16,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:26:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:26:16,240 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:26:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:26:16,283 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:26:16,285 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:26:16,287 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:26:16,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:26:16,303 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:26:16,307 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:26:16,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:26:16 BoogieIcfgContainer [2021-10-29 05:26:16,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:26:16,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:26:16,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:26:16,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:26:16,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:16" (3/4) ... [2021-10-29 05:26:16,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 05:26:16,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:26:16,340 INFO L168 Benchmark]: Toolchain (without parser) took 963.64 ms. Allocated memory is still 90.2 MB. Free memory was 56.2 MB in the beginning and 40.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:16,341 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:16,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.66 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 66.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:16,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.76 ms. Allocated memory is still 90.2 MB. Free memory was 66.7 MB in the beginning and 65.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:16,345 INFO L168 Benchmark]: Boogie Preprocessor took 42.54 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 64.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:16,346 INFO L168 Benchmark]: RCFGBuilder took 314.38 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 54.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:16,351 INFO L168 Benchmark]: TraceAbstraction took 280.43 ms. Allocated memory is still 90.2 MB. Free memory was 53.6 MB in the beginning and 40.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:16,353 INFO L168 Benchmark]: Witness Printer took 5.24 ms. Allocated memory is still 90.2 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:16,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 268.66 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 66.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.76 ms. Allocated memory is still 90.2 MB. Free memory was 66.7 MB in the beginning and 65.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.54 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 64.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 314.38 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 54.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 280.43 ms. Allocated memory is still 90.2 MB. Free memory was 53.6 MB in the beginning and 40.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.24 ms. Allocated memory is still 90.2 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryLONGDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] long double x = 1.0/7.0; [L9] long long res = 0; [L11] int i = 1; [L12] COND FALSE !(x != 0) [L4] COND TRUE !(cond) [L4] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 05:26:16,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:26:18,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:26:18,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:26:18,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:26:18,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:26:18,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:26:18,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:26:18,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:26:18,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:26:18,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:26:18,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:26:18,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:26:18,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:26:18,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:26:18,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:26:18,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:26:18,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:26:18,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:26:18,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:26:18,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:26:18,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:26:18,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:26:18,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:26:18,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:26:18,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:26:18,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:26:18,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:26:18,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:26:18,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:26:18,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:26:18,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:26:18,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:26:18,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:26:18,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:26:18,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:26:18,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:26:18,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:26:18,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:26:18,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:26:18,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:26:18,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:26:18,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:26:18,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:26:18,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:26:18,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:26:18,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:26:18,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:26:18,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:26:18,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:26:18,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:26:18,961 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:26:18,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:26:18,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:26:18,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:26:18,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:26:18,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:26:18,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:26:18,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:26:18,964 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:26:18,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:26:18,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:26:18,964 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:26:18,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:26:18,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:26:18,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:26:18,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:26:18,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:26:18,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:26:18,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:18,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:26:18,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:26:18,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:26:18,967 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:26:18,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:26:18,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:26:18,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:26:18,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:26:18,968 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_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f9bb533a6ae968b56a3b4121531d019ea186c25a1e8156a6682080f16505ca3 [2021-10-29 05:26:19,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:26:19,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:26:19,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:26:19,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:26:19,345 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:26:19,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-29 05:26:19,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/9520ef4b6/eb045bd188a9432eb80b593e3148a485/FLAG3712b1df4 [2021-10-29 05:26:19,899 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:26:19,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-29 05:26:19,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/9520ef4b6/eb045bd188a9432eb80b593e3148a485/FLAG3712b1df4 [2021-10-29 05:26:20,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/data/9520ef4b6/eb045bd188a9432eb80b593e3148a485 [2021-10-29 05:26:20,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:26:20,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:26:20,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:20,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:26:20,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:26:20,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64901a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20, skipping insertion in model container [2021-10-29 05:26:20,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:26:20,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:26:20,456 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_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-29 05:26:20,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:20,496 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:26:20,511 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_13de73dd-4397-4d5f-ad20-2dff6a310532/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-29 05:26:20,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:20,538 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:26:20,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20 WrapperNode [2021-10-29 05:26:20,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:20,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:20,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:26:20,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:26:20,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:20,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:26:20,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:26:20,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:26:20,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:26:20,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:26:20,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:26:20,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:26:20,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (1/1) ... [2021-10-29 05:26:20,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:26:20,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:26:20,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:26:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:26:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:26:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:26:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:26:23,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:26:23,053 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 05:26:23,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:23 BoogieIcfgContainer [2021-10-29 05:26:23,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:26:23,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:26:23,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:26:23,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:26:23,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:26:20" (1/3) ... [2021-10-29 05:26:23,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d1ba7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:23, skipping insertion in model container [2021-10-29 05:26:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:20" (2/3) ... [2021-10-29 05:26:23,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d1ba7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:23, skipping insertion in model container [2021-10-29 05:26:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:23" (3/3) ... [2021-10-29 05:26:23,064 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_bad_while.c [2021-10-29 05:26:23,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:26:23,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:26:23,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:26:23,122 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 [2021-10-29 05:26:23,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:26:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-29 05:26:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:26:23,140 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:23,148 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:26:23,164 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-10-29 05:26:23,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:23,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219430772] [2021-10-29 05:26:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:23,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:23,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:26:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:23,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:26:23,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:23,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:23,651 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:23,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219430772] [2021-10-29 05:26:23,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219430772] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:26:23,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:26:23,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:26:23,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304118154] [2021-10-29 05:26:23,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:26:23,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:26:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:26:23,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:23,685 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-10-29 05:26:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:26:26,015 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-10-29 05:26:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:26:26,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 6 [2021-10-29 05:26:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:26:26,024 INFO L225 Difference]: With dead ends: 20 [2021-10-29 05:26:26,025 INFO L226 Difference]: Without dead ends: 8 [2021-10-29 05:26:26,027 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-10-29 05:26:26,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-29 05:26:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-29 05:26:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-29 05:26:26,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2021-10-29 05:26:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:26:26,055 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-10-29 05:26:26,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-10-29 05:26:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-29 05:26:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 05:26:26,056 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:26,057 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:26:26,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:26,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:26,273 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2021-10-29 05:26:26,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:26,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988295375] [2021-10-29 05:26:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:26,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:26,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:26,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:26,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:26:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:26,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:26:26,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:28,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:34,472 WARN L838 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero c_ULTIMATE.start_main_~x~0) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-10-29 05:26:36,514 WARN L860 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero c_ULTIMATE.start_main_~x~0) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from true [2021-10-29 05:26:36,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-29 05:26:36,761 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:36,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988295375] [2021-10-29 05:26:36,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988295375] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:26:36,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [329593093] [2021-10-29 05:26:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:36,762 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:26:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:26:36,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:26:36,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-29 05:26:36,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 1 [2021-10-29 05:26:37,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:37,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:37,285 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 32 more [2021-10-29 05:26:37,289 INFO L168 Benchmark]: Toolchain (without parser) took 17016.64 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 32.9 MB in the beginning and 47.0 MB in the end (delta: -14.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:37,290 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:37,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 36.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:37,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.56 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 52.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:37,292 INFO L168 Benchmark]: Boogie Preprocessor took 60.11 ms. Allocated memory is still 69.2 MB. Free memory was 52.4 MB in the beginning and 51.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:37,293 INFO L168 Benchmark]: RCFGBuilder took 2401.15 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 41.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:37,293 INFO L168 Benchmark]: TraceAbstraction took 14229.87 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 47.0 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:37,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 252.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 36.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.56 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 52.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.11 ms. Allocated memory is still 69.2 MB. Free memory was 52.4 MB in the beginning and 51.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2401.15 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 41.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14229.87 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 47.0 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 05:26:37,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de73dd-4397-4d5f-ad20-2dff6a310532/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...