./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan --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 9ec220fd0064d8652998013027d97b204a648814 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan --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 9ec220fd0064d8652998013027d97b204a648814 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:01:34,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:01:34,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:01:34,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:01:34,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:01:34,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:01:34,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:01:34,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:01:34,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:01:34,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:01:34,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:01:34,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:01:34,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:01:34,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:01:34,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:01:34,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:01:34,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:01:34,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:01:34,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:01:34,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:01:34,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:01:34,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:01:34,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:01:34,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:01:34,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:01:34,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:01:34,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:01:34,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:01:34,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:01:34,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:01:34,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:01:34,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:01:34,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:01:34,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:01:34,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:01:34,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:01:34,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:01:34,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:01:34,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:01:34,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:01:34,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:01:34,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 11:01:34,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:01:34,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:01:34,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:01:34,519 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:01:34,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:01:34,519 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:01:34,519 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:01:34,520 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:01:34,520 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:01:34,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:01:34,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:01:34,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:01:34,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:01:34,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:01:34,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:01:34,523 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-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec220fd0064d8652998013027d97b204a648814 [2020-12-09 11:01:34,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:01:34,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:01:34,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:01:34,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:01:34,703 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:01:34,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-12-09 11:01:34,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/ba232d22b/54de43bc5efd4f19813d52ada1eb8d04/FLAG7e7b0f0cb [2020-12-09 11:01:35,111 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:01:35,111 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-12-09 11:01:35,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/ba232d22b/54de43bc5efd4f19813d52ada1eb8d04/FLAG7e7b0f0cb [2020-12-09 11:01:35,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/ba232d22b/54de43bc5efd4f19813d52ada1eb8d04 [2020-12-09 11:01:35,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:01:35,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:01:35,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:01:35,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:01:35,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:01:35,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5473fb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35, skipping insertion in model container [2020-12-09 11:01:35,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:01:35,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:01:35,258 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2020-12-09 11:01:35,261 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2020-12-09 11:01:35,262 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2020-12-09 11:01:35,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2020-12-09 11:01:35,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2020-12-09 11:01:35,264 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2020-12-09 11:01:35,264 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2020-12-09 11:01:35,265 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2020-12-09 11:01:35,265 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2020-12-09 11:01:35,266 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2020-12-09 11:01:35,267 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2020-12-09 11:01:35,267 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2020-12-09 11:01:35,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2020-12-09 11:01:35,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2020-12-09 11:01:35,268 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2020-12-09 11:01:35,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2020-12-09 11:01:35,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2020-12-09 11:01:35,270 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2020-12-09 11:01:35,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2020-12-09 11:01:35,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2020-12-09 11:01:35,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2020-12-09 11:01:35,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2020-12-09 11:01:35,275 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2020-12-09 11:01:35,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2020-12-09 11:01:35,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2020-12-09 11:01:35,277 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2020-12-09 11:01:35,277 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2020-12-09 11:01:35,278 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2020-12-09 11:01:35,278 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2020-12-09 11:01:35,279 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2020-12-09 11:01:35,279 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2020-12-09 11:01:35,280 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2020-12-09 11:01:35,280 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2020-12-09 11:01:35,281 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2020-12-09 11:01:35,282 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2020-12-09 11:01:35,282 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2020-12-09 11:01:35,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:01:35,291 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:01:35,299 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2020-12-09 11:01:35,300 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2020-12-09 11:01:35,300 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2020-12-09 11:01:35,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2020-12-09 11:01:35,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2020-12-09 11:01:35,302 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2020-12-09 11:01:35,302 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2020-12-09 11:01:35,303 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2020-12-09 11:01:35,303 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2020-12-09 11:01:35,304 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2020-12-09 11:01:35,304 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2020-12-09 11:01:35,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2020-12-09 11:01:35,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2020-12-09 11:01:35,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2020-12-09 11:01:35,306 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2020-12-09 11:01:35,306 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2020-12-09 11:01:35,307 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2020-12-09 11:01:35,307 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2020-12-09 11:01:35,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2020-12-09 11:01:35,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2020-12-09 11:01:35,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2020-12-09 11:01:35,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2020-12-09 11:01:35,310 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2020-12-09 11:01:35,310 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2020-12-09 11:01:35,310 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2020-12-09 11:01:35,311 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2020-12-09 11:01:35,311 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2020-12-09 11:01:35,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2020-12-09 11:01:35,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2020-12-09 11:01:35,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2020-12-09 11:01:35,313 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2020-12-09 11:01:35,313 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2020-12-09 11:01:35,314 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2020-12-09 11:01:35,314 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2020-12-09 11:01:35,314 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2020-12-09 11:01:35,315 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2020-12-09 11:01:35,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:01:35,325 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:01:35,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35 WrapperNode [2020-12-09 11:01:35,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:01:35,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:01:35,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:01:35,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:01:35,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:01:35,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:01:35,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:01:35,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:01:35,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... [2020-12-09 11:01:35,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:01:35,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:01:35,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:01:35,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:01:35,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:01:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:01:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:01:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 11:01:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:01:35,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:01:35,681 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-09 11:01:35,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:35 BoogieIcfgContainer [2020-12-09 11:01:35,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:01:35,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:01:35,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:01:35,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:01:35,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:01:35" (1/3) ... [2020-12-09 11:01:35,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d4383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:35, skipping insertion in model container [2020-12-09 11:01:35,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:35" (2/3) ... [2020-12-09 11:01:35,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d4383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:35, skipping insertion in model container [2020-12-09 11:01:35,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:35" (3/3) ... [2020-12-09 11:01:35,689 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-12-09 11:01:35,699 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:01:35,701 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-12-09 11:01:35,708 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-12-09 11:01:35,729 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:01:35,729 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:01:35,729 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:01:35,729 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:01:35,730 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:01:35,730 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:01:35,730 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:01:35,730 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:01:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-12-09 11:01:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 11:01:35,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:01:35,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 11:01:35,753 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:01:35,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:01:35,757 INFO L82 PathProgramCache]: Analyzing trace with hash 318252, now seen corresponding path program 1 times [2020-12-09 11:01:35,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:01:35,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275748493] [2020-12-09 11:01:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:01:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 11:01:35,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 11:01:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 11:01:35,862 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 11:01:35,878 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 11:01:35,878 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 11:01:35,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 11:01:35,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:01:35 BoogieIcfgContainer [2020-12-09 11:01:35,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:01:35,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:01:35,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:01:35,894 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:01:35,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:35" (3/4) ... [2020-12-09 11:01:35,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 11:01:35,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:01:35,900 INFO L168 Benchmark]: Toolchain (without parser) took 770.23 ms. Allocated memory is still 121.6 MB. Free memory was 89.1 MB in the beginning and 49.8 MB in the end (delta: 39.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,900 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 121.6 MB. Free memory was 102.7 MB in the beginning and 102.7 MB in the end (delta: 23.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:01:35,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.46 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 93.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.36 ms. Allocated memory is still 121.6 MB. Free memory was 93.7 MB in the beginning and 91.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,903 INFO L168 Benchmark]: Boogie Preprocessor took 17.02 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 90.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,903 INFO L168 Benchmark]: RCFGBuilder took 313.03 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 62.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,904 INFO L168 Benchmark]: TraceAbstraction took 208.96 ms. Allocated memory is still 121.6 MB. Free memory was 62.9 MB in the beginning and 50.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:35,904 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 121.6 MB. Free memory was 50.3 MB in the beginning and 49.8 MB in the end (delta: 475.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:01:35,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 121.6 MB. Free memory was 102.7 MB in the beginning and 102.7 MB in the end (delta: 23.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 196.46 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 93.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.36 ms. Allocated memory is still 121.6 MB. Free memory was 93.7 MB in the beginning and 91.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.02 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 90.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 313.03 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 62.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 208.96 ms. Allocated memory is still 121.6 MB. Free memory was 62.9 MB in the beginning and 50.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.25 ms. Allocated memory is still 121.6 MB. Free memory was 50.3 MB in the beginning and 49.8 MB in the end (delta: 475.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=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, 3 NumberOfCodeBlocks, 3 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:01:37,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:01:37,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:01:37,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:01:37,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:01:37,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:01:37,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:01:37,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:01:37,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:01:37,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:01:37,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:01:37,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:01:37,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:01:37,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:01:37,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:01:37,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:01:37,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:01:37,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:01:37,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:01:37,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:01:37,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:01:37,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:01:37,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:01:37,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:01:37,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:01:37,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:01:37,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:01:37,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:01:37,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:01:37,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:01:37,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:01:37,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:01:37,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:01:37,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:01:37,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:01:37,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:01:37,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:01:37,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:01:37,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:01:37,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:01:37,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:01:37,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 11:01:37,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:01:37,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:01:37,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:01:37,634 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:01:37,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:01:37,634 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:01:37,634 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:01:37,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:01:37,634 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:01:37,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:01:37,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:01:37,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:01:37,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 11:01:37,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:01:37,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:01:37,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:01:37,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:01:37,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:01:37,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:01:37,638 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 11:01:37,638 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 11:01:37,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:01:37,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:01:37,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:01:37,639 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-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec220fd0064d8652998013027d97b204a648814 [2020-12-09 11:01:37,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:01:37,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:01:37,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:01:37,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:01:37,895 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:01:37,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-12-09 11:01:37,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/87f1d931b/c530f6f77c2e46cb97776da63cbb60a3/FLAGb873ff704 [2020-12-09 11:01:38,418 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:01:38,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-12-09 11:01:38,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/87f1d931b/c530f6f77c2e46cb97776da63cbb60a3/FLAGb873ff704 [2020-12-09 11:01:38,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/data/87f1d931b/c530f6f77c2e46cb97776da63cbb60a3 [2020-12-09 11:01:38,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:01:38,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:01:38,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:01:38,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:01:38,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:01:38,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5716ef5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38, skipping insertion in model container [2020-12-09 11:01:38,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:01:38,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:01:38,552 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2020-12-09 11:01:38,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2020-12-09 11:01:38,555 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2020-12-09 11:01:38,556 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2020-12-09 11:01:38,556 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2020-12-09 11:01:38,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2020-12-09 11:01:38,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2020-12-09 11:01:38,558 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2020-12-09 11:01:38,559 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2020-12-09 11:01:38,559 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2020-12-09 11:01:38,560 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2020-12-09 11:01:38,560 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2020-12-09 11:01:38,561 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2020-12-09 11:01:38,561 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2020-12-09 11:01:38,562 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2020-12-09 11:01:38,563 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2020-12-09 11:01:38,563 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2020-12-09 11:01:38,564 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2020-12-09 11:01:38,567 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2020-12-09 11:01:38,568 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2020-12-09 11:01:38,568 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2020-12-09 11:01:38,569 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2020-12-09 11:01:38,570 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2020-12-09 11:01:38,570 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2020-12-09 11:01:38,571 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2020-12-09 11:01:38,571 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2020-12-09 11:01:38,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2020-12-09 11:01:38,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2020-12-09 11:01:38,573 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2020-12-09 11:01:38,574 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2020-12-09 11:01:38,574 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2020-12-09 11:01:38,575 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2020-12-09 11:01:38,581 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2020-12-09 11:01:38,581 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2020-12-09 11:01:38,582 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2020-12-09 11:01:38,582 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2020-12-09 11:01:38,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:01:38,594 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:01:38,602 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2020-12-09 11:01:38,603 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2020-12-09 11:01:38,603 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2020-12-09 11:01:38,604 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2020-12-09 11:01:38,604 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2020-12-09 11:01:38,604 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2020-12-09 11:01:38,605 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2020-12-09 11:01:38,605 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2020-12-09 11:01:38,606 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2020-12-09 11:01:38,606 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2020-12-09 11:01:38,607 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2020-12-09 11:01:38,607 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2020-12-09 11:01:38,608 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2020-12-09 11:01:38,608 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2020-12-09 11:01:38,608 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2020-12-09 11:01:38,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2020-12-09 11:01:38,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2020-12-09 11:01:38,610 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2020-12-09 11:01:38,611 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2020-12-09 11:01:38,611 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2020-12-09 11:01:38,612 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2020-12-09 11:01:38,612 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2020-12-09 11:01:38,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2020-12-09 11:01:38,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2020-12-09 11:01:38,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2020-12-09 11:01:38,614 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2020-12-09 11:01:38,614 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2020-12-09 11:01:38,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2020-12-09 11:01:38,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2020-12-09 11:01:38,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2020-12-09 11:01:38,616 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2020-12-09 11:01:38,616 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2020-12-09 11:01:38,617 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2020-12-09 11:01:38,617 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2020-12-09 11:01:38,618 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2020-12-09 11:01:38,618 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2020-12-09 11:01:38,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:01:38,629 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:01:38,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38 WrapperNode [2020-12-09 11:01:38,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:01:38,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:01:38,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:01:38,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:01:38,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:01:38,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:01:38,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:01:38,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:01:38,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... [2020-12-09 11:01:38,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:01:38,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:01:38,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:01:38,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:01:38,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:01:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:01:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:01:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 11:01:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:01:39,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:01:39,093 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-09 11:01:39,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:39 BoogieIcfgContainer [2020-12-09 11:01:39,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:01:39,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:01:39,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:01:39,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:01:39,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:01:38" (1/3) ... [2020-12-09 11:01:39,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f397a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:39, skipping insertion in model container [2020-12-09 11:01:39,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:38" (2/3) ... [2020-12-09 11:01:39,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f397a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:39, skipping insertion in model container [2020-12-09 11:01:39,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:39" (3/3) ... [2020-12-09 11:01:39,102 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-12-09 11:01:39,115 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:01:39,117 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-12-09 11:01:39,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-12-09 11:01:39,151 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:01:39,151 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:01:39,151 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:01:39,151 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:01:39,151 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:01:39,151 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:01:39,152 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:01:39,152 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:01:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-09 11:01:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 11:01:39,168 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:01:39,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 11:01:39,169 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:01:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:01:39,173 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-09 11:01:39,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:01:39,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908930883] [2020-12-09 11:01:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 11:01:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:01:39,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 11:01:39,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:01:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:01:39,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:01:39,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908930883] [2020-12-09 11:01:39,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:01:39,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:01:39,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924471795] [2020-12-09 11:01:39,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 11:01:39,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:01:39,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 11:01:39,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:01:39,253 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-09 11:01:39,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:01:39,270 INFO L93 Difference]: Finished difference Result 183 states and 254 transitions. [2020-12-09 11:01:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 11:01:39,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-12-09 11:01:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:01:39,279 INFO L225 Difference]: With dead ends: 183 [2020-12-09 11:01:39,279 INFO L226 Difference]: Without dead ends: 68 [2020-12-09 11:01:39,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:01:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-09 11:01:39,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-12-09 11:01:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-09 11:01:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2020-12-09 11:01:39,314 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 4 [2020-12-09 11:01:39,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:01:39,315 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2020-12-09 11:01:39,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 11:01:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2020-12-09 11:01:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 11:01:39,316 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:01:39,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:01:39,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 11:01:39,517 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:01:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:01:39,518 INFO L82 PathProgramCache]: Analyzing trace with hash 271685265, now seen corresponding path program 1 times [2020-12-09 11:01:39,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:01:39,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217688482] [2020-12-09 11:01:39,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 11:01:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:01:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 11:01:39,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:01:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:01:39,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:01:39,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217688482] [2020-12-09 11:01:39,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:01:39,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 11:01:39,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788074050] [2020-12-09 11:01:39,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 11:01:39,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:01:39,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 11:01:39,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:01:39,634 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand 3 states. [2020-12-09 11:01:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:01:39,744 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-12-09 11:01:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 11:01:39,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-09 11:01:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:01:39,745 INFO L225 Difference]: With dead ends: 68 [2020-12-09 11:01:39,745 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 11:01:39,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:01:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 11:01:39,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 11:01:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 11:01:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 11:01:39,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-09 11:01:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:01:39,747 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 11:01:39,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 11:01:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 11:01:39,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 11:01:39,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 11:01:39,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 11:01:39,962 INFO L262 CegarLoopResult]: For program point L35-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,962 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-12-09 11:01:39,963 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-12-09 11:01:39,963 INFO L262 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-12-09 11:01:39,963 INFO L262 CegarLoopResult]: For program point L19-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,964 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2020-12-09 11:01:39,964 INFO L262 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-12-09 11:01:39,964 INFO L262 CegarLoopResult]: For program point L36-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,964 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 11:01:39,965 INFO L262 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-12-09 11:01:39,965 INFO L262 CegarLoopResult]: For program point L20-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,965 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2020-12-09 11:01:39,965 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-09 11:01:39,966 INFO L262 CegarLoopResult]: For program point L37-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,966 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2020-12-09 11:01:39,966 INFO L262 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-12-09 11:01:39,967 INFO L262 CegarLoopResult]: For program point L21-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,967 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2020-12-09 11:01:39,967 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 11:01:39,967 INFO L262 CegarLoopResult]: For program point L38-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-12-09 11:01:39,968 INFO L262 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-12-09 11:01:39,968 INFO L262 CegarLoopResult]: For program point L22-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2020-12-09 11:01:39,969 INFO L262 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-12-09 11:01:39,969 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2020-12-09 11:01:39,969 INFO L262 CegarLoopResult]: For program point L6(lines 6 50) no Hoare annotation was computed. [2020-12-09 11:01:39,969 INFO L262 CegarLoopResult]: For program point L39-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,970 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-09 11:01:39,970 INFO L262 CegarLoopResult]: For program point L23-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,970 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-09 11:01:39,970 INFO L262 CegarLoopResult]: For program point L40-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2020-12-09 11:01:39,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-09 11:01:39,971 INFO L262 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-12-09 11:01:39,971 INFO L262 CegarLoopResult]: For program point L24-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2020-12-09 11:01:39,972 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 11:01:39,972 INFO L262 CegarLoopResult]: For program point L41-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2020-12-09 11:01:39,973 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 11:01:39,973 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2020-12-09 11:01:39,973 INFO L262 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-12-09 11:01:39,973 INFO L262 CegarLoopResult]: For program point L25-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,974 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2020-12-09 11:01:39,974 INFO L262 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-12-09 11:01:39,974 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-09 11:01:39,974 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2020-12-09 11:01:39,975 INFO L262 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2020-12-09 11:01:39,975 INFO L262 CegarLoopResult]: For program point L42-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,975 INFO L262 CegarLoopResult]: For program point L9-3(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2020-12-09 11:01:39,976 INFO L262 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-12-09 11:01:39,976 INFO L262 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed. [2020-12-09 11:01:39,976 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-12-09 11:01:39,976 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-12-09 11:01:39,977 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-09 11:01:39,977 INFO L262 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-12-09 11:01:39,977 INFO L262 CegarLoopResult]: For program point L43-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,977 INFO L262 CegarLoopResult]: For program point L10-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2020-12-09 11:01:39,978 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 11:01:39,978 INFO L262 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-12-09 11:01:39,978 INFO L262 CegarLoopResult]: For program point L44-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,979 INFO L262 CegarLoopResult]: For program point L11-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-12-09 11:01:39,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-09 11:01:39,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 11:01:39,980 INFO L262 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-12-09 11:01:39,980 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-09 11:01:39,980 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2020-12-09 11:01:39,980 INFO L262 CegarLoopResult]: For program point L45-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,981 INFO L262 CegarLoopResult]: For program point L12-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2020-12-09 11:01:39,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-12-09 11:01:39,982 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-09 11:01:39,982 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-09 11:01:39,982 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-09 11:01:39,982 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2020-12-09 11:01:39,983 INFO L262 CegarLoopResult]: For program point L46-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,983 INFO L262 CegarLoopResult]: For program point L13-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,983 INFO L262 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-12-09 11:01:39,983 INFO L262 CegarLoopResult]: For program point L30-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,983 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 11:01:39,984 INFO L262 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-12-09 11:01:39,984 INFO L262 CegarLoopResult]: For program point L47-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,984 INFO L262 CegarLoopResult]: For program point L14-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-12-09 11:01:39,985 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-12-09 11:01:39,985 INFO L262 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-12-09 11:01:39,985 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-12-09 11:01:39,985 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2020-12-09 11:01:39,986 INFO L262 CegarLoopResult]: For program point L48-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,986 INFO L262 CegarLoopResult]: For program point L15-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-09 11:01:39,986 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 11:01:39,987 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 11:01:39,987 INFO L262 CegarLoopResult]: For program point L32-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,987 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-12-09 11:01:39,987 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-09 11:01:39,988 INFO L262 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-12-09 11:01:39,988 INFO L262 CegarLoopResult]: For program point L16-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,988 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2020-12-09 11:01:39,988 INFO L262 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-09 11:01:39,989 INFO L262 CegarLoopResult]: For program point L33-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,989 INFO L262 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-12-09 11:01:39,989 INFO L262 CegarLoopResult]: For program point L17-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,989 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-09 11:01:39,990 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-12-09 11:01:39,990 INFO L262 CegarLoopResult]: For program point L34-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,990 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2020-12-09 11:01:39,990 INFO L262 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-12-09 11:01:39,990 INFO L262 CegarLoopResult]: For program point L18-2(lines 7 50) no Hoare annotation was computed. [2020-12-09 11:01:39,991 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2020-12-09 11:01:39,991 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 11:01:40,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:01:40 BoogieIcfgContainer [2020-12-09 11:01:40,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:01:40,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:01:40,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:01:40,008 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:01:40,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:39" (3/4) ... [2020-12-09 11:01:40,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 11:01:40,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 11:01:40,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 11:01:40,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 11:01:40,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:01:40,129 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1abd1c71-535b-47ff-8ea2-003df06d516c/bin/utaipan/witness.graphml [2020-12-09 11:01:40,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:01:40,131 INFO L168 Benchmark]: Toolchain (without parser) took 1691.69 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 39.4 MB in the end (delta: -860.6 kB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,131 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:01:40,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.73 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 38.7 MB in the end (delta: -343.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.72 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 67.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,132 INFO L168 Benchmark]: Boogie Preprocessor took 22.13 ms. Allocated memory is still 83.9 MB. Free memory was 67.4 MB in the beginning and 65.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:01:40,132 INFO L168 Benchmark]: RCFGBuilder took 398.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.9 MB in the beginning and 62.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,133 INFO L168 Benchmark]: TraceAbstraction took 910.22 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 44.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,133 INFO L168 Benchmark]: Witness Printer took 121.89 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 39.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:01:40,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 190.73 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 38.7 MB in the end (delta: -343.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.72 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 67.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.13 ms. Allocated memory is still 83.9 MB. Free memory was 67.4 MB in the beginning and 65.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 398.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.9 MB in the beginning and 62.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 910.22 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 44.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 121.89 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 39.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 38]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 34]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 48]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 40]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 42]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 22]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 44]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 37]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 25]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 32]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 9]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 41]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 39]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 49]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 23]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 43]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 17 SDslu, 19 SDs, 0 SdLazy, 19 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 1 QuantifiedInterpolants, 791 SizeOfPredicates, 3 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...