./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/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_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/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_2d977320-1a63-40b5-b8e5-080afd2fac05/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_2d977320-1a63-40b5-b8e5-080afd2fac05/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 da5d51ccb2e261fc3d97480f2a3cc24f3caac524 ................................................................................................................................................................................................................................................ 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_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/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_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/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_2d977320-1a63-40b5-b8e5-080afd2fac05/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_2d977320-1a63-40b5-b8e5-080afd2fac05/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 da5d51ccb2e261fc3d97480f2a3cc24f3caac524 ..................................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 07:17:06,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:17:06,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:17:06,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:17:06,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:17:06,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:17:06,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:17:06,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:17:06,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:17:06,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:17:06,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:17:06,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:17:06,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:17:06,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:17:06,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:17:06,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:17:06,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:17:06,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:17:06,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:17:06,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:17:06,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:17:06,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:17:06,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:17:06,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:17:06,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:17:06,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:17:06,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:17:06,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:17:06,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:17:06,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:17:06,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:17:06,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:17:06,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:17:06,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:17:06,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:17:06,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:17:06,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:17:06,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:17:06,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:17:06,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:17:06,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:17:06,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:17:06,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:17:06,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:17:06,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:17:06,811 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:17:06,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:17:06,812 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:17:06,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:17:06,820 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:17:06,820 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:17:06,821 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:17:06,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:17:06,822 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:17:06,823 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:17:06,823 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:17:06,823 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:17:06,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:17:06,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:17:06,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:17:06,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:17:06,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:17:06,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:17:06,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:17:06,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:17:06,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:17:06,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:17:06,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:17:06,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:17:06,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:17:06,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:17:06,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:17:06,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:17:06,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:17:06,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:17:06,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:17:06,832 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:17:06,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:17:06,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:17:06,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:17:06,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:17:06,834 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_2d977320-1a63-40b5-b8e5-080afd2fac05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5d51ccb2e261fc3d97480f2a3cc24f3caac524 [2021-10-13 07:17:07,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:17:07,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:17:07,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:17:07,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:17:07,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:17:07,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-13 07:17:07,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/0c6e89b84/3c618056cc6d4388b75c0a7b238536c0/FLAG3351500f1 [2021-10-13 07:17:08,005 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:17:08,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-13 07:17:08,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/0c6e89b84/3c618056cc6d4388b75c0a7b238536c0/FLAG3351500f1 [2021-10-13 07:17:08,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/0c6e89b84/3c618056cc6d4388b75c0a7b238536c0 [2021-10-13 07:17:08,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:17:08,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:17:08,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:17:08,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:17:08,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:17:08,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca7b30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08, skipping insertion in model container [2021-10-13 07:17:08,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:17:08,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:17:08,633 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_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-13 07:17:08,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:17:08,664 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:17:08,679 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_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-13 07:17:08,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:17:08,700 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:17:08,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08 WrapperNode [2021-10-13 07:17:08,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:17:08,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:17:08,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:17:08,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:17:08,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:17:08,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:17:08,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:17:08,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:17:08,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:17:08,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:17:08,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:17:08,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:17:08,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (1/1) ... [2021-10-13 07:17:08,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:17:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:17:08,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:17:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:17:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:17:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:17:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:17:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:17:09,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:17:09,147 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:17:09,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:09 BoogieIcfgContainer [2021-10-13 07:17:09,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:17:09,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:17:09,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:17:09,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:17:09,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:17:08" (1/3) ... [2021-10-13 07:17:09,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:09, skipping insertion in model container [2021-10-13 07:17:09,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:08" (2/3) ... [2021-10-13 07:17:09,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:09, skipping insertion in model container [2021-10-13 07:17:09,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:09" (3/3) ... [2021-10-13 07:17:09,183 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_bad_while.c [2021-10-13 07:17:09,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:17:09,204 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:17:09,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:17:09,293 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 07:17:09,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:17:09,309 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) [2021-10-13 07:17:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:17:09,315 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:17:09,315 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:17:09,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:17:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:17:09,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1850503, now seen corresponding path program 1 times [2021-10-13 07:17:09,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:17:09,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533686933] [2021-10-13 07:17:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:09,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:17:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:17:09,487 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:17:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:17:09,573 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:17:09,575 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:17:09,577 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:17:09,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:17:09,589 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:17:09,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:17:09 BoogieIcfgContainer [2021-10-13 07:17:09,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:17:09,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:17:09,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:17:09,618 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:17:09,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:09" (3/4) ... [2021-10-13 07:17:09,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:17:09,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:17:09,630 INFO L168 Benchmark]: Toolchain (without parser) took 1258.84 ms. Allocated memory is still 117.4 MB. Free memory was 86.9 MB in the beginning and 66.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,632 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:17:09,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.71 ms. Allocated memory is still 117.4 MB. Free memory was 86.7 MB in the beginning and 92.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.13 ms. Allocated memory is still 117.4 MB. Free memory was 92.6 MB in the beginning and 91.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,638 INFO L168 Benchmark]: Boogie Preprocessor took 45.89 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 90.2 MB in the end (delta: 755.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:17:09,639 INFO L168 Benchmark]: RCFGBuilder took 355.05 ms. Allocated memory is still 117.4 MB. Free memory was 89.9 MB in the beginning and 79.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,641 INFO L168 Benchmark]: TraceAbstraction took 455.44 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 66.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,644 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 117.4 MB. Free memory was 66.6 MB in the beginning and 66.1 MB in the end (delta: 513.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:09,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.71 ms. Allocated memory is still 117.4 MB. Free memory was 86.7 MB in the beginning and 92.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.13 ms. Allocated memory is still 117.4 MB. Free memory was 92.6 MB in the beginning and 91.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.89 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 90.2 MB in the end (delta: 755.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 355.05 ms. Allocated memory is still 117.4 MB. Free memory was 89.9 MB in the beginning and 79.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 455.44 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 66.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.34 ms. Allocated memory is still 117.4 MB. Free memory was 66.6 MB in the beginning and 66.1 MB in the end (delta: 513.3 kB). 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 - 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: 314.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.5ms SsaConstructionTime, 64.1ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-13 07:17:09,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/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-4e77c04 [2021-10-13 07:17:12,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:17:12,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:17:12,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:17:12,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:17:12,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:17:12,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:17:12,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:17:12,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:17:12,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:17:12,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:17:12,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:17:12,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:17:12,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:17:12,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:17:12,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:17:12,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:17:12,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:17:12,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:17:12,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:17:12,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:17:12,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:17:12,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:17:12,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:17:12,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:17:12,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:17:12,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:17:12,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:17:12,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:17:12,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:17:12,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:17:12,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:17:12,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:17:12,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:17:12,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:17:12,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:17:12,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:17:12,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:17:12,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:17:12,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:17:12,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:17:12,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:17:12,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:17:12,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:17:12,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:17:12,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:17:12,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:17:12,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:17:12,901 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:17:12,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:17:12,902 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:17:12,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:17:12,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:17:12,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:17:12,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:17:12,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:17:12,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:17:12,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:17:12,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:17:12,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:17:12,908 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:17:12,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:17:12,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:17:12,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:17:12,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:17:12,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:17:12,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:17:12,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:17:12,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:17:12,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:17:12,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:17:12,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:17:12,911 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:17:12,911 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:17:12,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:17:12,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:17:12,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:17:12,913 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_2d977320-1a63-40b5-b8e5-080afd2fac05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5d51ccb2e261fc3d97480f2a3cc24f3caac524 [2021-10-13 07:17:13,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:17:13,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:17:13,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:17:13,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:17:13,451 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:17:13,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-13 07:17:13,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/42a082d6d/a0222a657a644fa098e5ea8171068b92/FLAGa9d39d235 [2021-10-13 07:17:14,203 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:17:14,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2021-10-13 07:17:14,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/42a082d6d/a0222a657a644fa098e5ea8171068b92/FLAGa9d39d235 [2021-10-13 07:17:14,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/data/42a082d6d/a0222a657a644fa098e5ea8171068b92 [2021-10-13 07:17:14,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:17:14,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:17:14,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:17:14,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:17:14,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:17:14,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:14,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d9cb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14, skipping insertion in model container [2021-10-13 07:17:14,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:14,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:17:14,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:17:14,809 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_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-13 07:17:14,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:17:14,845 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:17:14,861 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_2d977320-1a63-40b5-b8e5-080afd2fac05/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c[321,334] [2021-10-13 07:17:14,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:17:14,927 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:17:14,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14 WrapperNode [2021-10-13 07:17:14,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:17:14,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:17:14,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:17:14,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:17:14,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:14,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:17:15,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:17:15,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:17:15,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:17:15,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:17:15,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:17:15,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:17:15,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:17:15,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (1/1) ... [2021-10-13 07:17:15,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:17:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:17:15,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:17:15,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:17:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:17:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:17:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:17:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:17:17,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:17:17,629 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:17:17,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:17 BoogieIcfgContainer [2021-10-13 07:17:17,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:17:17,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:17:17,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:17:17,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:17:17,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:17:14" (1/3) ... [2021-10-13 07:17:17,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b82b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:17, skipping insertion in model container [2021-10-13 07:17:17,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:14" (2/3) ... [2021-10-13 07:17:17,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b82b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:17, skipping insertion in model container [2021-10-13 07:17:17,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:17" (3/3) ... [2021-10-13 07:17:17,643 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_bad_while.c [2021-10-13 07:17:17,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:17:17,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:17:17,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:17:17,722 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 07:17:17,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:17:17,739 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) [2021-10-13 07:17:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:17:17,745 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:17:17,746 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:17:17,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:17:17,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:17:17,754 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-10-13 07:17:17,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:17:17,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213050692] [2021-10-13 07:17:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:17,772 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:17:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:17:17,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:17:17,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:17:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:17:17,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:17:17,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:17:18,109 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 07:17:18,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:17:18,225 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 07:17:18,226 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:17:18,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213050692] [2021-10-13 07:17:18,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213050692] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:17:18,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:17:18,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:17:18,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726405389] [2021-10-13 07:17:18,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:17:18,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:17:18,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:17:18,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:17:18,254 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) [2021-10-13 07:17:20,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:17:20,614 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-10-13 07:17:20,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:17:20,617 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 [2021-10-13 07:17:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:17:20,624 INFO L225 Difference]: With dead ends: 20 [2021-10-13 07:17:20,624 INFO L226 Difference]: Without dead ends: 8 [2021-10-13 07:17:20,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 95.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:17:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-10-13 07:17:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-13 07:17:20,652 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) [2021-10-13 07:17:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-13 07:17:20,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2021-10-13 07:17:20,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:17:20,655 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-10-13 07:17:20,656 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) [2021-10-13 07:17:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-13 07:17:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:17:20,657 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:17:20,657 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:17:20,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:17:20,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:17:20,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:17:20,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:17:20,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2021-10-13 07:17:20,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:17:20,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389786842] [2021-10-13 07:17:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:20,879 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:17:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:17:20,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:17:20,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:17:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:17:21,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:17:21,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:17:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:17:23,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:17:29,817 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 [2021-10-13 07:17:31,870 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 [2021-10-13 07:17:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-13 07:17:32,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:17:32,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389786842] [2021-10-13 07:17:32,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389786842] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:17:32,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1225941402] [2021-10-13 07:17:32,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:32,119 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:17:32,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:17:32,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:17:32,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-13 07:17:32,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 1 [2021-10-13 07:17:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 07:17:32,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:17:32,676 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:608) 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:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) 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:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 32 more [2021-10-13 07:17:32,681 INFO L168 Benchmark]: Toolchain (without parser) took 18103.35 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 35.1 MB in the beginning and 47.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:32,681 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:17:32,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.86 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:32,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.87 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 40.6 MB in the beginning and 67.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:32,684 INFO L168 Benchmark]: Boogie Preprocessor took 68.05 ms. Allocated memory is still 83.9 MB. Free memory was 67.4 MB in the beginning and 66.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:17:32,685 INFO L168 Benchmark]: RCFGBuilder took 2538.33 ms. Allocated memory is still 83.9 MB. Free memory was 66.3 MB in the beginning and 56.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:32,686 INFO L168 Benchmark]: TraceAbstraction took 15044.46 ms. Allocated memory is still 83.9 MB. Free memory was 56.4 MB in the beginning and 47.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:32,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.86 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.87 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 40.6 MB in the beginning and 67.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.05 ms. Allocated memory is still 83.9 MB. Free memory was 67.4 MB in the beginning and 66.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2538.33 ms. Allocated memory is still 83.9 MB. Free memory was 66.3 MB in the beginning and 56.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15044.46 ms. Allocated memory is still 83.9 MB. Free memory was 56.4 MB in the beginning and 47.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 14.3 MB. 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. [2021-10-13 07:17:32,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d977320-1a63-40b5-b8e5-080afd2fac05/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...