./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:16:10,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:16:10,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:16:10,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:16:10,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:16:10,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:16:10,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:16:10,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:16:10,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:16:10,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:16:10,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:16:10,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:16:10,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:16:10,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:16:10,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:16:10,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:16:10,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:16:10,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:16:10,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:16:10,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:16:10,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:16:10,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:16:10,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:16:10,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:16:10,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:16:10,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:16:10,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:16:10,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:16:10,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:16:10,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:16:10,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:16:10,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:16:10,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:16:10,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:16:10,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:16:10,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:16:10,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:16:10,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:16:10,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:16:10,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:16:10,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:16:10,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:16:11,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:16:11,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:16:11,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:16:11,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:16:11,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:16:11,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:16:11,015 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:16:11,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:16:11,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:16:11,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:16:11,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:16:11,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:16:11,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:16:11,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:16:11,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:16:11,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:16:11,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:16:11,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:16:11,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:16:11,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:16:11,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:16:11,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:16:11,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:11,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:16:11,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:16:11,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:16:11,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:16:11,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:16:11,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:16:11,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:16:11,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:16:11,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:16:11,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d [2021-11-22 16:16:11,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:16:11,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:16:11,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:16:11,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:16:11,390 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:16:11,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2021-11-22 16:16:11,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/b35866634/ce3bbf0aba06410183dcff9ec949c32e/FLAG0811b5fdc [2021-11-22 16:16:12,049 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:16:12,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c [2021-11-22 16:16:12,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/b35866634/ce3bbf0aba06410183dcff9ec949c32e/FLAG0811b5fdc [2021-11-22 16:16:12,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/b35866634/ce3bbf0aba06410183dcff9ec949c32e [2021-11-22 16:16:12,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:16:12,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:16:12,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:12,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:16:12,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:16:12,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c39c97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12, skipping insertion in model container [2021-11-22 16:16:12,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:16:12,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:16:12,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2021-11-22 16:16:12,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2021-11-22 16:16:12,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2021-11-22 16:16:12,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2021-11-22 16:16:12,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2021-11-22 16:16:12,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2021-11-22 16:16:12,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2021-11-22 16:16:12,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2021-11-22 16:16:12,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2021-11-22 16:16:12,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2021-11-22 16:16:12,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2021-11-22 16:16:12,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2021-11-22 16:16:12,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2021-11-22 16:16:12,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2021-11-22 16:16:12,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2021-11-22 16:16:12,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2021-11-22 16:16:12,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2021-11-22 16:16:12,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2021-11-22 16:16:12,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2021-11-22 16:16:12,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2021-11-22 16:16:12,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2021-11-22 16:16:12,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2021-11-22 16:16:12,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2021-11-22 16:16:12,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2021-11-22 16:16:12,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2021-11-22 16:16:12,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2021-11-22 16:16:12,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2021-11-22 16:16:12,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2021-11-22 16:16:12,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2021-11-22 16:16:12,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2021-11-22 16:16:12,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2021-11-22 16:16:12,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2021-11-22 16:16:12,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2021-11-22 16:16:12,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2021-11-22 16:16:12,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2021-11-22 16:16:12,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2021-11-22 16:16:12,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:12,716 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:16:12,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2021-11-22 16:16:12,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2021-11-22 16:16:12,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2021-11-22 16:16:12,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2021-11-22 16:16:12,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2021-11-22 16:16:12,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2021-11-22 16:16:12,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2021-11-22 16:16:12,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2021-11-22 16:16:12,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2021-11-22 16:16:12,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2021-11-22 16:16:12,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2021-11-22 16:16:12,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2021-11-22 16:16:12,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2021-11-22 16:16:12,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2021-11-22 16:16:12,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2021-11-22 16:16:12,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2021-11-22 16:16:12,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2021-11-22 16:16:12,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2021-11-22 16:16:12,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2021-11-22 16:16:12,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2021-11-22 16:16:12,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2021-11-22 16:16:12,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2021-11-22 16:16:12,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2021-11-22 16:16:12,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2021-11-22 16:16:12,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2021-11-22 16:16:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2021-11-22 16:16:12,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2021-11-22 16:16:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2021-11-22 16:16:12,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2021-11-22 16:16:12,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2021-11-22 16:16:12,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2021-11-22 16:16:12,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2021-11-22 16:16:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2021-11-22 16:16:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2021-11-22 16:16:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2021-11-22 16:16:12,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2021-11-22 16:16:12,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:12,789 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:16:12,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12 WrapperNode [2021-11-22 16:16:12,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:12,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:12,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:16:12,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:16:12,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,862 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2021-11-22 16:16:12,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:12,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:16:12,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:16:12,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:16:12,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:16:12,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:16:12,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:16:12,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:16:12,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (1/1) ... [2021-11-22 16:16:12,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:12,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:12,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:12,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:16:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:16:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:16:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:16:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:16:13,088 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:16:13,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:16:13,420 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:16:13,437 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:16:13,443 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 16:16:13,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:13 BoogieIcfgContainer [2021-11-22 16:16:13,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:16:13,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:16:13,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:16:13,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:16:13,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:16:12" (1/3) ... [2021-11-22 16:16:13,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295dd334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:13, skipping insertion in model container [2021-11-22 16:16:13,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:12" (2/3) ... [2021-11-22 16:16:13,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295dd334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:13, skipping insertion in model container [2021-11-22 16:16:13,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:13" (3/3) ... [2021-11-22 16:16:13,479 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2021-11-22 16:16:13,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:16:13,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-22 16:16:13,565 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:16:13,574 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 16:16:13,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-22 16:16:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 78 states have (on average 1.935897435897436) internal successors, (151), 114 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 16:16:13,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:13,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-22 16:16:13,616 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:13,624 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-11-22 16:16:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:13,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40425837] [2021-11-22 16:16:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:13,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:13,746 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:13,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:13,783 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 16:16:13,785 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2021-11-22 16:16:13,787 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2021-11-22 16:16:13,788 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2021-11-22 16:16:13,789 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2021-11-22 16:16:13,789 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2021-11-22 16:16:13,790 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2021-11-22 16:16:13,791 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2021-11-22 16:16:13,791 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2021-11-22 16:16:13,792 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2021-11-22 16:16:13,792 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2021-11-22 16:16:13,793 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2021-11-22 16:16:13,793 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2021-11-22 16:16:13,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2021-11-22 16:16:13,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2021-11-22 16:16:13,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2021-11-22 16:16:13,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2021-11-22 16:16:13,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2021-11-22 16:16:13,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2021-11-22 16:16:13,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2021-11-22 16:16:13,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2021-11-22 16:16:13,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2021-11-22 16:16:13,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2021-11-22 16:16:13,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2021-11-22 16:16:13,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2021-11-22 16:16:13,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2021-11-22 16:16:13,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2021-11-22 16:16:13,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2021-11-22 16:16:13,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2021-11-22 16:16:13,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2021-11-22 16:16:13,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2021-11-22 16:16:13,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2021-11-22 16:16:13,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2021-11-22 16:16:13,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2021-11-22 16:16:13,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2021-11-22 16:16:13,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2021-11-22 16:16:13,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2021-11-22 16:16:13,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:16:13,812 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-22 16:16:13,817 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:16:13,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:16:13 BoogieIcfgContainer [2021-11-22 16:16:13,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:16:13,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:16:13,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:16:13,840 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:16:13,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:13" (3/4) ... [2021-11-22 16:16:13,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 16:16:13,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:16:13,847 INFO L158 Benchmark]: Toolchain (without parser) took 1482.43ms. Allocated memory is still 130.0MB. Free memory was 90.2MB in the beginning and 68.1MB in the end (delta: 22.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,848 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:16:13,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.18ms. Allocated memory is still 130.0MB. Free memory was 90.0MB in the beginning and 99.6MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.73ms. Allocated memory is still 130.0MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,851 INFO L158 Benchmark]: Boogie Preprocessor took 37.24ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:16:13,851 INFO L158 Benchmark]: RCFGBuilder took 552.58ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 83.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,852 INFO L158 Benchmark]: TraceAbstraction took 382.57ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 68.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,853 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 68.1MB in the end (delta: 580.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:13,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.18ms. Allocated memory is still 130.0MB. Free memory was 90.0MB in the beginning and 99.6MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.73ms. Allocated memory is still 130.0MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.24ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.58ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 83.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 382.57ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 68.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 68.1MB in the end (delta: 580.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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() - UnprovableResult [Line: 10]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 16]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 16:16:13,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:16:16,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:16:16,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:16:16,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:16:16,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:16:16,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:16:16,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:16:16,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:16:16,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:16:16,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:16:16,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:16:16,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:16:16,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:16:16,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:16:16,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:16:16,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:16:16,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:16:16,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:16:16,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:16:16,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:16:16,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:16:16,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:16:16,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:16:16,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:16:16,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:16:16,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:16:16,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:16:16,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:16:16,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:16:16,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:16:16,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:16:16,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:16:16,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:16:16,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:16:17,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:16:17,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:16:17,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:16:17,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:16:17,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:16:17,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:16:17,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:16:17,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-22 16:16:17,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:16:17,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:16:17,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:16:17,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:16:17,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:16:17,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:16:17,083 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:16:17,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:16:17,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:16:17,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:16:17,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:16:17,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:16:17,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:16:17,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:16:17,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 16:16:17,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 16:16:17,088 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 16:16:17,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:16:17,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:16:17,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:16:17,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:16:17,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:16:17,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:16:17,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:16:17,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:17,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:16:17,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:16:17,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:16:17,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 16:16:17,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 16:16:17,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:16:17,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:16:17,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:16:17,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:16:17,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 16:16:17,093 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d [2021-11-22 16:16:17,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:16:17,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:16:17,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:16:17,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:16:17,605 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:16:17,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2021-11-22 16:16:17,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/d7fb8b655/04e44bcd4621448388d3c07f4c82c711/FLAG675ef6c3d [2021-11-22 16:16:18,425 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:16:18,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c [2021-11-22 16:16:18,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/d7fb8b655/04e44bcd4621448388d3c07f4c82c711/FLAG675ef6c3d [2021-11-22 16:16:18,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/data/d7fb8b655/04e44bcd4621448388d3c07f4c82c711 [2021-11-22 16:16:18,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:16:18,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:16:18,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:18,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:16:18,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:16:18,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:18" (1/1) ... [2021-11-22 16:16:18,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1313ccf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:18, skipping insertion in model container [2021-11-22 16:16:18,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:18" (1/1) ... [2021-11-22 16:16:18,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:16:18,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:16:18,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2021-11-22 16:16:18,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2021-11-22 16:16:18,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2021-11-22 16:16:18,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2021-11-22 16:16:18,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2021-11-22 16:16:18,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2021-11-22 16:16:18,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2021-11-22 16:16:18,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2021-11-22 16:16:18,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2021-11-22 16:16:18,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2021-11-22 16:16:18,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2021-11-22 16:16:18,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2021-11-22 16:16:18,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2021-11-22 16:16:19,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2021-11-22 16:16:19,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2021-11-22 16:16:19,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2021-11-22 16:16:19,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2021-11-22 16:16:19,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2021-11-22 16:16:19,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2021-11-22 16:16:19,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2021-11-22 16:16:19,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2021-11-22 16:16:19,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2021-11-22 16:16:19,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2021-11-22 16:16:19,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2021-11-22 16:16:19,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2021-11-22 16:16:19,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2021-11-22 16:16:19,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2021-11-22 16:16:19,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2021-11-22 16:16:19,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2021-11-22 16:16:19,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2021-11-22 16:16:19,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2021-11-22 16:16:19,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2021-11-22 16:16:19,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2021-11-22 16:16:19,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2021-11-22 16:16:19,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2021-11-22 16:16:19,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2021-11-22 16:16:19,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:19,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:16:19,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2021-11-22 16:16:19,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2021-11-22 16:16:19,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2021-11-22 16:16:19,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2021-11-22 16:16:19,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2021-11-22 16:16:19,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2021-11-22 16:16:19,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2021-11-22 16:16:19,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2021-11-22 16:16:19,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2021-11-22 16:16:19,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2021-11-22 16:16:19,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2021-11-22 16:16:19,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2021-11-22 16:16:19,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2021-11-22 16:16:19,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2021-11-22 16:16:19,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2021-11-22 16:16:19,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2021-11-22 16:16:19,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2021-11-22 16:16:19,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2021-11-22 16:16:19,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2021-11-22 16:16:19,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2021-11-22 16:16:19,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2021-11-22 16:16:19,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2021-11-22 16:16:19,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2021-11-22 16:16:19,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2021-11-22 16:16:19,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2021-11-22 16:16:19,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2021-11-22 16:16:19,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2021-11-22 16:16:19,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2021-11-22 16:16:19,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2021-11-22 16:16:19,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2021-11-22 16:16:19,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2021-11-22 16:16:19,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2021-11-22 16:16:19,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2021-11-22 16:16:19,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2021-11-22 16:16:19,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2021-11-22 16:16:19,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2021-11-22 16:16:19,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:19,211 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:16:19,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19 WrapperNode [2021-11-22 16:16:19,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:19,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:19,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:16:19,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:16:19,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,262 INFO L137 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2021-11-22 16:16:19,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:19,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:16:19,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:16:19,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:16:19,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:16:19,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:16:19,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:16:19,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:16:19,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:19,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:19,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:19,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:16:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:16:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:16:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:16:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 16:16:19,505 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:16:19,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:16:19,955 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:16:19,962 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:16:19,963 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 16:16:19,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19 BoogieIcfgContainer [2021-11-22 16:16:19,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:16:19,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:16:19,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:16:19,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:16:19,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:16:18" (1/3) ... [2021-11-22 16:16:19,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96e6958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:19, skipping insertion in model container [2021-11-22 16:16:19,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (2/3) ... [2021-11-22 16:16:19,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96e6958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:19, skipping insertion in model container [2021-11-22 16:16:19,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19" (3/3) ... [2021-11-22 16:16:19,973 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2021-11-22 16:16:19,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:16:19,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-22 16:16:20,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:16:20,064 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 16:16:20,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-22 16:16:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 78 states have (on average 1.935897435897436) internal successors, (151), 114 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 16:16:20,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:20,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-22 16:16:20,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-11-22 16:16:20,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:20,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769278449] [2021-11-22 16:16:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:20,144 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:20,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:20,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 16:16:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:20,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 16:16:20,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:20,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:20,294 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:20,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769278449] [2021-11-22 16:16:20,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769278449] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:20,301 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:20,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 16:16:20,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030511293] [2021-11-22 16:16:20,306 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:20,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 16:16:20,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:20,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 16:16:20,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:16:20,371 INFO L87 Difference]: Start difference. First operand has 115 states, 78 states have (on average 1.935897435897436) internal successors, (151), 114 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:20,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:20,417 INFO L93 Difference]: Finished difference Result 183 states and 254 transitions. [2021-11-22 16:16:20,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 16:16:20,420 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-22 16:16:20,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:20,434 INFO L225 Difference]: With dead ends: 183 [2021-11-22 16:16:20,435 INFO L226 Difference]: Without dead ends: 68 [2021-11-22 16:16:20,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:16:20,445 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:20,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:20,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-22 16:16:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-22 16:16:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 67 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2021-11-22 16:16:20,506 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 4 [2021-11-22 16:16:20,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:20,507 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2021-11-22 16:16:20,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2021-11-22 16:16:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 16:16:20,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:20,510 INFO L514 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] [2021-11-22 16:16:20,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:20,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:20,727 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash 271685265, now seen corresponding path program 1 times [2021-11-22 16:16:20,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:20,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873632338] [2021-11-22 16:16:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:20,733 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:20,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:20,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:20,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 16:16:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:20,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:20,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:21,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:21,167 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:21,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873632338] [2021-11-22 16:16:21,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873632338] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:21,173 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:21,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 16:16:21,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054553637] [2021-11-22 16:16:21,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:21,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:16:21,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:21,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:21,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:21,181 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:21,215 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2021-11-22 16:16:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:21,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-22 16:16:21,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:21,220 INFO L225 Difference]: With dead ends: 68 [2021-11-22 16:16:21,221 INFO L226 Difference]: Without dead ends: 66 [2021-11-22 16:16:21,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:21,224 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:21,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2021-11-22 16:16:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-22 16:16:21,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-22 16:16:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 65 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 65 transitions. [2021-11-22 16:16:21,248 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 65 transitions. Word has length 24 [2021-11-22 16:16:21,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:21,250 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 65 transitions. [2021-11-22 16:16:21,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 65 transitions. [2021-11-22 16:16:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 16:16:21,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:21,254 INFO L514 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, 1] [2021-11-22 16:16:21,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:21,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:21,471 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash -167687151, now seen corresponding path program 1 times [2021-11-22 16:16:21,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:21,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064668162] [2021-11-22 16:16:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:21,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:21,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:21,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:21,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 16:16:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:21,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 16:16:21,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:21,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:21,749 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:21,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064668162] [2021-11-22 16:16:21,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064668162] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:21,752 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:21,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 16:16:21,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575644178] [2021-11-22 16:16:21,757 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:21,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:16:21,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:21,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:21,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:21,759 INFO L87 Difference]: Start difference. First operand 66 states and 65 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:21,869 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2021-11-22 16:16:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:16:21,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-22 16:16:21,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:21,874 INFO L225 Difference]: With dead ends: 66 [2021-11-22 16:16:21,874 INFO L226 Difference]: Without dead ends: 64 [2021-11-22 16:16:21,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:21,876 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:21,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 91 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 16 Unchecked, 0.1s Time] [2021-11-22 16:16:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-22 16:16:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-22 16:16:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 63 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 63 transitions. [2021-11-22 16:16:21,891 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 63 transitions. Word has length 25 [2021-11-22 16:16:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:21,892 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 63 transitions. [2021-11-22 16:16:21,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 63 transitions. [2021-11-22 16:16:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 16:16:21,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:21,898 INFO L514 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, 1, 1] [2021-11-22 16:16:21,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:22,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:22,115 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash -903330151, now seen corresponding path program 1 times [2021-11-22 16:16:22,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:22,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619156804] [2021-11-22 16:16:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:22,117 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:22,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:22,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 16:16:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:22,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:22,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:22,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:22,400 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:22,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619156804] [2021-11-22 16:16:22,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619156804] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:22,401 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:22,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 16:16:22,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923423661] [2021-11-22 16:16:22,401 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:22,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:16:22,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:22,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:22,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:22,404 INFO L87 Difference]: Start difference. First operand 64 states and 63 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:22,556 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2021-11-22 16:16:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:16:22,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-22 16:16:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:22,557 INFO L225 Difference]: With dead ends: 64 [2021-11-22 16:16:22,558 INFO L226 Difference]: Without dead ends: 31 [2021-11-22 16:16:22,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:22,560 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 12 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:22,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 49 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 17 Invalid, 0 Unknown, 16 Unchecked, 0.1s Time] [2021-11-22 16:16:22,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-22 16:16:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-22 16:16:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 30 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2021-11-22 16:16:22,564 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 26 [2021-11-22 16:16:22,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:22,565 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2021-11-22 16:16:22,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2021-11-22 16:16:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 16:16:22,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:22,567 INFO L514 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, 1, 1, 1] [2021-11-22 16:16:22,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:22,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:22,787 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:22,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2061540633, now seen corresponding path program 1 times [2021-11-22 16:16:22,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:22,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048825555] [2021-11-22 16:16:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:22,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:22,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:22,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:22,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 16:16:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:22,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:22,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,119 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:23,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048825555] [2021-11-22 16:16:23,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048825555] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:23,119 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:23,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 16:16:23,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217801094] [2021-11-22 16:16:23,120 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:23,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:16:23,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:23,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:23,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:23,122 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:23,146 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2021-11-22 16:16:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:23,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-22 16:16:23,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:23,147 INFO L225 Difference]: With dead ends: 31 [2021-11-22 16:16:23,147 INFO L226 Difference]: Without dead ends: 29 [2021-11-22 16:16:23,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:23,149 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:23,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2021-11-22 16:16:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-22 16:16:23,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-22 16:16:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2021-11-22 16:16:23,153 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 27 [2021-11-22 16:16:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:23,154 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2021-11-22 16:16:23,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2021-11-22 16:16:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 16:16:23,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:23,155 INFO L514 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, 1, 1, 1, 1] [2021-11-22 16:16:23,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:23,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:23,363 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-22 16:16:23,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash -516745567, now seen corresponding path program 1 times [2021-11-22 16:16:23,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 16:16:23,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437018905] [2021-11-22 16:16:23,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:23,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 16:16:23,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 16:16:23,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 16:16:23,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 16:16:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:23,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:23,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,703 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 16:16:23,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437018905] [2021-11-22 16:16:23,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437018905] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:23,704 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:23,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 16:16:23,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281088256] [2021-11-22 16:16:23,704 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:23,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:16:23,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 16:16:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:23,705 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:23,719 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2021-11-22 16:16:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:23,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-22 16:16:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:23,720 INFO L225 Difference]: With dead ends: 29 [2021-11-22 16:16:23,720 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 16:16:23,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:23,722 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:23,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-22 16:16:23,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 16:16:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 16:16:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 16:16:23,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-22 16:16:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:23,724 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:16:23,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 16:16:23,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 16:16:23,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2021-11-22 16:16:23,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2021-11-22 16:16:23,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2021-11-22 16:16:23,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2021-11-22 16:16:23,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2021-11-22 16:16:23,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2021-11-22 16:16:23,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2021-11-22 16:16:23,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2021-11-22 16:16:23,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2021-11-22 16:16:23,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2021-11-22 16:16:23,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2021-11-22 16:16:23,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2021-11-22 16:16:23,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2021-11-22 16:16:23,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2021-11-22 16:16:23,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2021-11-22 16:16:23,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2021-11-22 16:16:23,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2021-11-22 16:16:23,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2021-11-22 16:16:23,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2021-11-22 16:16:23,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2021-11-22 16:16:23,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2021-11-22 16:16:23,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2021-11-22 16:16:23,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2021-11-22 16:16:23,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2021-11-22 16:16:23,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2021-11-22 16:16:23,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2021-11-22 16:16:23,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2021-11-22 16:16:23,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2021-11-22 16:16:23,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2021-11-22 16:16:23,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2021-11-22 16:16:23,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2021-11-22 16:16:23,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2021-11-22 16:16:23,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2021-11-22 16:16:23,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2021-11-22 16:16:23,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2021-11-22 16:16:23,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2021-11-22 16:16:23,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:23,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 16:16:23,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 16:16:23,949 INFO L858 garLoopResultBuilder]: For program point L35-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point L19-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point L36-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point L20-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point L37-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2021-11-22 16:16:23,951 INFO L858 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L38-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L22-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2021-11-22 16:16:23,952 INFO L858 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 50) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L39-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L23-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-11-22 16:16:23,953 INFO L858 garLoopResultBuilder]: For program point L24-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point L41-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2021-11-22 16:16:23,954 INFO L858 garLoopResultBuilder]: For program point L25-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L42-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L9-3(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2021-11-22 16:16:23,955 INFO L858 garLoopResultBuilder]: For program point L26-2(line 26) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point L43-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point L10-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-11-22 16:16:23,956 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-22 16:16:23,957 INFO L858 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-11-22 16:16:23,957 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,957 INFO L858 garLoopResultBuilder]: For program point L11-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,957 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2021-11-22 16:16:23,958 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-11-22 16:16:23,958 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 16:16:23,958 INFO L858 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-11-22 16:16:23,958 INFO L858 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-11-22 16:16:23,958 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2021-11-22 16:16:23,959 INFO L858 garLoopResultBuilder]: For program point L45-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,959 INFO L858 garLoopResultBuilder]: For program point L12-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,959 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2021-11-22 16:16:23,959 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2021-11-22 16:16:23,959 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-11-22 16:16:23,960 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-22 16:16:23,960 INFO L858 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-11-22 16:16:23,960 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2021-11-22 16:16:23,960 INFO L858 garLoopResultBuilder]: For program point L46-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,960 INFO L858 garLoopResultBuilder]: For program point L13-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,961 INFO L858 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-11-22 16:16:23,961 INFO L858 garLoopResultBuilder]: For program point L30-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,961 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-22 16:16:23,961 INFO L858 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2021-11-22 16:16:23,961 INFO L858 garLoopResultBuilder]: For program point L47-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,962 INFO L858 garLoopResultBuilder]: For program point L14-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2021-11-22 16:16:23,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-11-22 16:16:23,962 INFO L858 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-11-22 16:16:23,963 INFO L858 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-11-22 16:16:23,963 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2021-11-22 16:16:23,963 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,963 INFO L858 garLoopResultBuilder]: For program point L15-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,963 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-11-22 16:16:23,964 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-22 16:16:23,964 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 16:16:23,964 INFO L858 garLoopResultBuilder]: For program point L32-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,964 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2021-11-22 16:16:23,964 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-22 16:16:23,965 INFO L858 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2021-11-22 16:16:23,965 INFO L858 garLoopResultBuilder]: For program point L16-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,965 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2021-11-22 16:16:23,965 INFO L858 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2021-11-22 16:16:23,965 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,966 INFO L858 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2021-11-22 16:16:23,966 INFO L858 garLoopResultBuilder]: For program point L17-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,966 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-22 16:16:23,966 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2021-11-22 16:16:23,966 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,967 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-11-22 16:16:23,967 INFO L858 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2021-11-22 16:16:23,967 INFO L858 garLoopResultBuilder]: For program point L18-2(lines 7 50) no Hoare annotation was computed. [2021-11-22 16:16:23,967 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-11-22 16:16:23,967 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-22 16:16:23,972 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-22 16:16:23,974 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:16:23,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:16:23 BoogieIcfgContainer [2021-11-22 16:16:23,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:16:23,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:16:23,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:16:23,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:16:23,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19" (3/4) ... [2021-11-22 16:16:23,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 16:16:24,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-22 16:16:24,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 16:16:24,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 16:16:24,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 16:16:24,080 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:16:24,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:16:24,081 INFO L158 Benchmark]: Toolchain (without parser) took 5326.25ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: -14.6kB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,082 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:16:24,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.32ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 47.0MB in the end (delta: -616.7kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.34ms. Allocated memory is still 67.1MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,083 INFO L158 Benchmark]: Boogie Preprocessor took 38.64ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,084 INFO L158 Benchmark]: RCFGBuilder took 662.60ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 31.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,084 INFO L158 Benchmark]: TraceAbstraction took 4014.06ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 30.9MB in the beginning and 51.7MB in the end (delta: -20.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,085 INFO L158 Benchmark]: Witness Printer took 99.06ms. Allocated memory is still 100.7MB. Free memory was 51.7MB in the beginning and 46.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 16:16:24,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.32ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 47.0MB in the end (delta: -616.7kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.34ms. Allocated memory is still 67.1MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.64ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.60ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 31.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4014.06ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 30.9MB in the beginning and 51.7MB in the end (delta: -20.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 99.06ms. Allocated memory is still 100.7MB. Free memory was 51.7MB in the beginning and 46.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 10]: 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: 12]: 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: 14]: 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: 16]: 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: 18]: 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: 20]: 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: 22]: 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: 24]: 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: 26]: 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: 33]: 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: 35]: 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: 37]: 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: 39]: 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: 41]: 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: 43]: 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: 45]: 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: 47]: 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: 49]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 443 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 75 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 256 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 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, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 256 ConstructedInterpolants, 15 QuantifiedInterpolants, 452 SizeOfPredicates, 28 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-22 16:16:24,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a43724-9db5-45c4-a9b3-0d4619e3b798/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE