./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE --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 ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d ................................................................................................................................................................................................................................................ 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE --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 ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d ..................................................................................................................................................................................................................................................................................................................................... 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-e943c26 [2021-10-24 11:08:13,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:13,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:13,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:13,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:13,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:13,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:13,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:13,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:14,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:14,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:14,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:14,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:14,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:14,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:14,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:14,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:14,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:14,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:14,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:14,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:14,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:14,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:14,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:14,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:14,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:14,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:14,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:14,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:14,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:14,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:14,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:14,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:14,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:14,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:14,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:14,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:14,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:14,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:14,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:14,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:14,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:08:14,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:14,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:14,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:14,112 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:14,112 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:14,113 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:14,113 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:08:14,114 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:14,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:14,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:08:14,122 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:08:14,122 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:14,122 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:08:14,123 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:08:14,123 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:08:14,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:14,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:14,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:08:14,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:14,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:14,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:08:14,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:14,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:08:14,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:14,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:14,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:08:14,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:14,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:08:14,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:14,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:14,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:14,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:14,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:14,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:08:14,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:08:14,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:08:14,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:08:14,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:14,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:14,131 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d [2021-10-24 11:08:14,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:14,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:14,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:14,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:14,442 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:14,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-24 11:08:14,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/2772312f0/468252a4d0394a16a296e48429a8a8cc/FLAG320444d65 [2021-10-24 11:08:14,932 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:14,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-24 11:08:14,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/2772312f0/468252a4d0394a16a296e48429a8a8cc/FLAG320444d65 [2021-10-24 11:08:15,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/2772312f0/468252a4d0394a16a296e48429a8a8cc [2021-10-24 11:08:15,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:15,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:15,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:15,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:15,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:15,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd9fbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15, skipping insertion in model container [2021-10-24 11:08:15,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:15,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:15,545 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-24 11:08:15,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:15,566 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:08:15,576 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-24 11:08:15,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:15,593 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:08:15,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15 WrapperNode [2021-10-24 11:08:15,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:15,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:15,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:08:15,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:08:15,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:15,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:08:15,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:08:15,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:08:15,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:08:15,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:08:15,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:08:15,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:08:15,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (1/1) ... [2021-10-24 11:08:15,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:15,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:08:15,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:08:15,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:08:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:08:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 11:08:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:08:15,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:08:15,948 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:08:15,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:15 BoogieIcfgContainer [2021-10-24 11:08:15,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:08:15,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:08:15,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:08:15,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:08:15,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:15" (1/3) ... [2021-10-24 11:08:15,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3bf685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:15, skipping insertion in model container [2021-10-24 11:08:15,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:15" (2/3) ... [2021-10-24 11:08:15,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3bf685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:15, skipping insertion in model container [2021-10-24 11:08:15,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:15" (3/3) ... [2021-10-24 11:08:15,960 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_for.c [2021-10-24 11:08:15,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:08:15,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 11:08:16,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:08:16,023 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 [2021-10-24 11:08:16,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 11:08:16,037 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) [2021-10-24 11:08:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 11:08:16,042 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:16,043 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 11:08:16,044 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:08:16,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:16,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1912039, now seen corresponding path program 1 times [2021-10-24 11:08:16,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:16,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073178205] [2021-10-24 11:08:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:16,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:08:16,159 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:08:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:08:16,199 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 11:08:16,201 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:08:16,202 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:08:16,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:08:16,211 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:08:16,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:16 BoogieIcfgContainer [2021-10-24 11:08:16,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:08:16,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:08:16,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:08:16,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:08:16,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:15" (3/4) ... [2021-10-24 11:08:16,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 11:08:16,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:08:16,237 INFO L168 Benchmark]: Toolchain (without parser) took 881.07 ms. Allocated memory is still 102.8 MB. Free memory was 61.9 MB in the beginning and 51.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:16,237 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:16,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.52 ms. Allocated memory is still 102.8 MB. Free memory was 61.8 MB in the beginning and 78.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:16,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:16,240 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 75.6 MB in the end (delta: 977.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:16,241 INFO L168 Benchmark]: RCFGBuilder took 298.88 ms. Allocated memory is still 102.8 MB. Free memory was 75.4 MB in the beginning and 64.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:16,242 INFO L168 Benchmark]: TraceAbstraction took 275.62 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 51.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:16,242 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 102.8 MB. Free memory was 51.4 MB in the beginning and 51.1 MB in the end (delta: 300.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:16,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.52 ms. Allocated memory is still 102.8 MB. Free memory was 61.8 MB in the beginning and 78.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.28 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 75.6 MB in the end (delta: 977.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 298.88 ms. Allocated memory is still 102.8 MB. Free memory was 75.4 MB in the beginning and 64.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 275.62 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 51.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 102.8 MB. Free memory was 51.4 MB in the beginning and 51.1 MB in the end (delta: 300.0 kB). 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, 0.0ms 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 11, 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; [L11] 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: 196.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, 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: 5.9ms SsaConstructionTime, 39.6ms 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 [2021-10-24 11:08:16,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/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-e943c26 [2021-10-24 11:08:18,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:18,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:18,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:18,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:18,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:18,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:18,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:18,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:18,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:18,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:18,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:18,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:18,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:18,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:18,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:18,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:18,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:18,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:18,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:18,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:18,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:18,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:18,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:18,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:18,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:18,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:18,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:18,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:18,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:18,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:18,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:18,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:18,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:18,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:18,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:18,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:18,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:18,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:18,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:18,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:18,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:08:18,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:18,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:18,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:18,890 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:18,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:18,890 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:18,891 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:18,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:18,891 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:18,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:18,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:18,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:18,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:18,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:08:18,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:18,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:08:18,895 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:18,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:08:18,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:08:18,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:18,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:08:18,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:18,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:08:18,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:18,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:08:18,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:18,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:18,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:18,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:18,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:08:18,899 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:08:18,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:08:18,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:08:18,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:18,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:18,901 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d [2021-10-24 11:08:19,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:19,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:19,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:19,301 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:19,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-24 11:08:19,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/bc0c69e93/335010e718dc4a3c815b2f277005e875/FLAGacabad9aa [2021-10-24 11:08:19,869 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:19,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-24 11:08:19,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/bc0c69e93/335010e718dc4a3c815b2f277005e875/FLAGacabad9aa [2021-10-24 11:08:20,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/data/bc0c69e93/335010e718dc4a3c815b2f277005e875 [2021-10-24 11:08:20,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:20,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:20,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:20,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:20,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:20,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306b16e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20, skipping insertion in model container [2021-10-24 11:08:20,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:20,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:20,494 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-24 11:08:20,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:20,526 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:08:20,542 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_8f743077-e2dd-4ce4-a197-9e8302d36d50/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-24 11:08:20,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:20,578 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:08:20,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20 WrapperNode [2021-10-24 11:08:20,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:20,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:20,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:08:20,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:08:20,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:20,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:08:20,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:08:20,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:08:20,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:08:20,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:08:20,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:08:20,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:08:20,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2021-10-24 11:08:20,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:20,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:08:20,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:08:20,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:08:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:08:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:08:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:08:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:08:23,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:08:23,149 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:08:23,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:23 BoogieIcfgContainer [2021-10-24 11:08:23,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:08:23,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:08:23,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:08:23,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:08:23,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:20" (1/3) ... [2021-10-24 11:08:23,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59567344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:23, skipping insertion in model container [2021-10-24 11:08:23,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (2/3) ... [2021-10-24 11:08:23,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59567344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:23, skipping insertion in model container [2021-10-24 11:08:23,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:23" (3/3) ... [2021-10-24 11:08:23,159 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_for.c [2021-10-24 11:08:23,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:08:23,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 11:08:23,212 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:08:23,219 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 [2021-10-24 11:08:23,219 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 11:08:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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) [2021-10-24 11:08:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 11:08:23,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:23,239 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 11:08:23,239 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:08:23,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:23,245 INFO L82 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2021-10-24 11:08:23,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:23,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364622413] [2021-10-24 11:08:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:23,258 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:23,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:23,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:23,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:08:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:23,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:08:23,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:23,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:23,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:23,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364622413] [2021-10-24 11:08:23,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364622413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:23,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:23,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:08:23,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734631467] [2021-10-24 11:08:23,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:08:23,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:23,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:08:23,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:23,788 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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) [2021-10-24 11:08:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:26,137 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-24 11:08:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:26,139 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 [2021-10-24 11:08:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:26,147 INFO L225 Difference]: With dead ends: 21 [2021-10-24 11:08:26,147 INFO L226 Difference]: Without dead ends: 9 [2021-10-24 11:08:26,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:26,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-24 11:08:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-24 11:08:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-10-24 11:08:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-24 11:08:26,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2021-10-24 11:08:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:26,174 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-24 11:08:26,174 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) [2021-10-24 11:08:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-24 11:08:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-24 11:08:26,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:26,175 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:26,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:26,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:26,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:08:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash 265180975, now seen corresponding path program 1 times [2021-10-24 11:08:26,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:26,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097787651] [2021-10-24 11:08:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:26,391 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:26,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:26,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:08:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:27,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:08:27,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:28,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:34,789 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 [2021-10-24 11:08:36,837 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 [2021-10-24 11:08:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-24 11:08:37,085 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:37,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097787651] [2021-10-24 11:08:37,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097787651] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:08:37,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [139134494] [2021-10-24 11:08:37,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:37,086 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:08:37,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:08:37,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:08:37,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-24 11:08:37,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 1 [2021-10-24 11:08:37,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:37,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:37,582 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: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:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 32 more [2021-10-24 11:08:37,586 INFO L168 Benchmark]: Toolchain (without parser) took 17303.30 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.7 MB in the beginning and 50.9 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:37,587 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:37,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 29.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:37,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.43 ms. Allocated memory is still 52.4 MB. Free memory was 29.8 MB in the beginning and 28.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:37,589 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:37,590 INFO L168 Benchmark]: RCFGBuilder took 2466.49 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 49.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:37,591 INFO L168 Benchmark]: TraceAbstraction took 14432.00 ms. Allocated memory is still 71.3 MB. Free memory was 49.0 MB in the beginning and 50.9 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:37,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 29.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.43 ms. Allocated memory is still 52.4 MB. Free memory was 29.8 MB in the beginning and 28.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.15 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2466.49 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 49.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14432.00 ms. Allocated memory is still 71.3 MB. Free memory was 49.0 MB in the beginning and 50.9 MB in the end (delta: -1.9 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. [2021-10-24 11:08:37,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f743077-e2dd-4ce4-a197-9e8302d36d50/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...