./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b2eff8b [2021-10-29 04:43:30,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:43:30,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:43:30,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:43:30,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:43:30,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:43:30,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:43:30,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:43:30,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:43:30,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:43:30,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:43:30,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:43:30,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:43:30,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:43:30,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:43:30,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:43:30,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:43:30,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:43:30,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:43:30,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:43:30,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:43:30,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:43:30,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:43:30,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:43:30,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:43:30,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:43:30,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:43:30,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:43:30,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:43:30,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:43:30,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:43:30,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:43:30,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:43:30,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:43:30,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:43:30,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:43:30,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:43:30,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:43:30,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:43:30,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:43:30,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:43:30,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:43:30,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:43:30,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:43:30,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:43:30,688 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:43:30,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:43:30,688 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:43:30,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:43:30,689 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:43:30,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:43:30,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:43:30,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:43:30,690 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:43:30,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:43:30,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:43:30,691 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:43:30,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:43:30,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:43:30,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:43:30,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:43:30,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:43:30,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:43:30,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:43:30,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:43:30,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:43:30,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:43:30,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:43:30,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:43:30,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:43:30,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:43:30,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:43:30,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:43:30,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:43:30,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:43:30,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:43:30,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:43:30,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:43:30,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:43:30,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:43:30,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:43:30,699 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d [2021-10-29 04:43:31,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:43:31,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:43:31,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:43:31,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:43:31,097 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:43:31,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-29 04:43:31,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/b2234fdbc/67319c55ac6241528a5198627032ea87/FLAG5c769cf68 [2021-10-29 04:43:31,839 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:43:31,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-29 04:43:31,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/b2234fdbc/67319c55ac6241528a5198627032ea87/FLAG5c769cf68 [2021-10-29 04:43:32,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/b2234fdbc/67319c55ac6241528a5198627032ea87 [2021-10-29 04:43:32,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:43:32,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:43:32,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:43:32,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:43:32,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:43:32,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce5391a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32, skipping insertion in model container [2021-10-29 04:43:32,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:43:32,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:43:32,404 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-29 04:43:32,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:43:32,464 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:43:32,479 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-29 04:43:32,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:43:32,500 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:43:32,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32 WrapperNode [2021-10-29 04:43:32,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:43:32,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:43:32,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:43:32,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:43:32,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:43:32,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:43:32,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:43:32,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:43:32,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:43:32,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:43:32,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:43:32,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:43:32,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (1/1) ... [2021-10-29 04:43:32,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:43:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:43:32,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:43:32,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:43:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:43:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:43:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:43:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:43:32,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:43:32,972 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:43:32,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:43:32 BoogieIcfgContainer [2021-10-29 04:43:32,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:43:32,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:43:32,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:43:32,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:43:32,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:43:32" (1/3) ... [2021-10-29 04:43:32,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf6e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:43:32, skipping insertion in model container [2021-10-29 04:43:32,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:32" (2/3) ... [2021-10-29 04:43:32,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf6e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:43:32, skipping insertion in model container [2021-10-29 04:43:32,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:43:32" (3/3) ... [2021-10-29 04:43:32,987 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_for.c [2021-10-29 04:43:32,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:43:32,994 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:43:33,053 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:43:33,062 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:43:33,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 04:43:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:43:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:43:33,085 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:43:33,086 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 04:43:33,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:43:33,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:43:33,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1912039, now seen corresponding path program 1 times [2021-10-29 04:43:33,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:43:33,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420833224] [2021-10-29 04:43:33,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:43:33,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:43:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:43:33,237 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:43:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:43:33,324 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 04:43:33,329 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:43:33,330 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:43:33,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 04:43:33,340 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 04:43:33,344 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:43:33,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:43:33 BoogieIcfgContainer [2021-10-29 04:43:33,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:43:33,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:43:33,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:43:33,382 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:43:33,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:43:32" (3/4) ... [2021-10-29 04:43:33,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:43:33,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:43:33,390 INFO L168 Benchmark]: Toolchain (without parser) took 1200.39 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 43.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:33,390 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:33,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.19 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 70.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:33,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:33,394 INFO L168 Benchmark]: Boogie Preprocessor took 26.60 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:33,399 INFO L168 Benchmark]: RCFGBuilder took 405.68 ms. Allocated memory is still 94.4 MB. Free memory was 67.4 MB in the beginning and 56.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:33,402 INFO L168 Benchmark]: TraceAbstraction took 390.47 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 43.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:33,414 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 94.4 MB. Free memory was 43.3 MB in the beginning and 43.0 MB in the end (delta: 252.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:33,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.19 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 70.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.60 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 405.68 ms. Allocated memory is still 94.4 MB. Free memory was 67.4 MB in the beginning and 56.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 390.47 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 43.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 94.4 MB. Free memory was 43.3 MB in the beginning and 43.0 MB in the end (delta: 252.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryLONGDOUBLEComparisonOperation at line 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 04:43:33,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:43:36,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:43:36,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:43:36,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:43:36,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:43:36,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:43:36,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:43:36,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:43:36,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:43:36,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:43:36,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:43:36,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:43:36,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:43:36,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:43:36,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:43:36,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:43:36,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:43:36,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:43:36,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:43:36,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:43:36,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:43:36,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:43:36,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:43:36,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:43:36,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:43:36,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:43:36,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:43:36,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:43:36,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:43:36,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:43:36,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:43:36,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:43:36,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:43:36,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:43:36,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:43:36,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:43:36,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:43:36,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:43:36,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:43:36,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:43:36,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:43:36,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:43:36,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:43:36,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:43:36,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:43:36,858 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:43:36,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:43:36,858 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:43:36,859 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:43:36,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:43:36,859 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:43:36,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:43:36,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:43:36,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:43:36,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:43:36,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:43:36,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:43:36,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:43:36,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:43:36,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:43:36,863 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:43:36,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:43:36,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:43:36,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:43:36,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:43:36,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:43:36,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:43:36,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:43:36,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:43:36,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:43:36,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:43:36,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:43:36,867 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:43:36,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:43:36,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:43:36,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:43:36,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:43:36,868 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5df297f2d3ee5d728aff1b63a3afef9bfbadb73abd56462b4581e636fe830d [2021-10-29 04:43:37,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:43:37,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:43:37,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:43:37,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:43:37,403 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:43:37,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-29 04:43:37,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/2a5420e21/d7fd636a7be54b99b005c0d51acc0ffc/FLAGfa2856208 [2021-10-29 04:43:38,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:43:38,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2021-10-29 04:43:38,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/2a5420e21/d7fd636a7be54b99b005c0d51acc0ffc/FLAGfa2856208 [2021-10-29 04:43:38,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/data/2a5420e21/d7fd636a7be54b99b005c0d51acc0ffc [2021-10-29 04:43:38,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:43:38,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:43:38,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:43:38,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:43:38,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:43:38,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c6ec8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38, skipping insertion in model container [2021-10-29 04:43:38,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:43:38,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:43:38,760 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-29 04:43:38,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:43:38,808 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:43:38,823 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_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/sv-benchmarks/c/floats-esbmc-regression/digits_for.c[315,328] [2021-10-29 04:43:38,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:43:38,847 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:43:38,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38 WrapperNode [2021-10-29 04:43:38,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:43:38,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:43:38,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:43:38,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:43:38,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:43:38,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:43:38,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:43:38,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:43:38,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:43:38,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:43:38,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:43:38,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:43:38,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (1/1) ... [2021-10-29 04:43:38,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:43:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:43:39,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:43:39,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:43:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:43:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:43:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:43:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:43:41,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:43:41,444 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:43:41,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:43:41 BoogieIcfgContainer [2021-10-29 04:43:41,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:43:41,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:43:41,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:43:41,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:43:41,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:43:38" (1/3) ... [2021-10-29 04:43:41,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c424680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:43:41, skipping insertion in model container [2021-10-29 04:43:41,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:43:38" (2/3) ... [2021-10-29 04:43:41,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c424680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:43:41, skipping insertion in model container [2021-10-29 04:43:41,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:43:41" (3/3) ... [2021-10-29 04:43:41,457 INFO L111 eAbstractionObserver]: Analyzing ICFG digits_for.c [2021-10-29 04:43:41,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:43:41,465 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:43:41,527 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:43:41,535 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:43:41,536 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 04:43:41,553 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) [2021-10-29 04:43:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:43:41,559 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:43:41,560 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 04:43:41,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:43:41,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:43:41,567 INFO L85 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2021-10-29 04:43:41,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:43:41,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132902376] [2021-10-29 04:43:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:43:41,585 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:43:41,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:43:41,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:43:41,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:43:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:43:41,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:43:41,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:43:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:43:41,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:43:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:43:42,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:43:42,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132902376] [2021-10-29 04:43:42,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132902376] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:43:42,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:43:42,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:43:42,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861583582] [2021-10-29 04:43:42,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:43:42,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:43:42,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:43:42,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:43:42,034 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) [2021-10-29 04:43:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:43:44,477 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-29 04:43:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:43:44,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 04:43:44,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:43:44,487 INFO L225 Difference]: With dead ends: 21 [2021-10-29 04:43:44,488 INFO L226 Difference]: Without dead ends: 9 [2021-10-29 04:43:44,490 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:43:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-29 04:43:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-29 04:43:44,524 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) [2021-10-29 04:43:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 04:43:44,527 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2021-10-29 04:43:44,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:43:44,528 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-29 04:43:44,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:43:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 04:43:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:43:44,529 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:43:44,529 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:43:44,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:43:44,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:43:44,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:43:44,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:43:44,747 INFO L85 PathProgramCache]: Analyzing trace with hash 265180975, now seen corresponding path program 1 times [2021-10-29 04:43:44,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:43:44,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399891911] [2021-10-29 04:43:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:43:44,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:43:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:43:44,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:43:44,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:43:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:43:45,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:43:45,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:43:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:43:47,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:43:53,546 WARN L838 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero c_ULTIMATE.start_main_~x~0) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-10-29 04:43:55,594 WARN L860 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero c_ULTIMATE.start_main_~x~0) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from true [2021-10-29 04:43:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-29 04:43:55,854 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:43:55,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399891911] [2021-10-29 04:43:55,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399891911] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:43:55,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1238855691] [2021-10-29 04:43:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:43:55,856 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:43:55,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:43:55,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:43:55,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-29 04:43:56,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 1 [2021-10-29 04:43:56,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:43:56,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 04:43:56,184 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 32 more [2021-10-29 04:43:56,189 INFO L168 Benchmark]: Toolchain (without parser) took 17631.44 ms. Allocated memory is still 73.4 MB. Free memory was 58.1 MB in the beginning and 40.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:56,190 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 54.6 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:56,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.25 ms. Allocated memory is still 73.4 MB. Free memory was 58.0 MB in the beginning and 47.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:56,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.69 ms. Allocated memory is still 73.4 MB. Free memory was 47.8 MB in the beginning and 57.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:56,192 INFO L168 Benchmark]: Boogie Preprocessor took 36.03 ms. Allocated memory is still 73.4 MB. Free memory was 57.4 MB in the beginning and 56.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:43:56,193 INFO L168 Benchmark]: RCFGBuilder took 2469.57 ms. Allocated memory is still 73.4 MB. Free memory was 56.1 MB in the beginning and 46.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:56,193 INFO L168 Benchmark]: TraceAbstraction took 14737.90 ms. Allocated memory is still 73.4 MB. Free memory was 46.0 MB in the beginning and 40.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:43:56,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 54.6 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 290.25 ms. Allocated memory is still 73.4 MB. Free memory was 58.0 MB in the beginning and 47.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.69 ms. Allocated memory is still 73.4 MB. Free memory was 47.8 MB in the beginning and 57.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.03 ms. Allocated memory is still 73.4 MB. Free memory was 57.4 MB in the beginning and 56.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2469.57 ms. Allocated memory is still 73.4 MB. Free memory was 56.1 MB in the beginning and 46.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14737.90 ms. Allocated memory is still 73.4 MB. Free memory was 46.0 MB in the beginning and 40.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.0 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. [2021-10-29 04:43:56,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f6b3d5-9a4e-4d3f-a7ab-056b1e5f0faa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...