./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02e16371708027ec56fdf0402c3e1a5d4f23a0ff ........................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02e16371708027ec56fdf0402c3e1a5d4f23a0ff ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:56,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:56,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:56,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:56,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:56,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:56,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:56,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:56,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:56,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:56,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:56,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:56,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:56,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:56,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:56,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:56,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:56,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:56,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:56,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:56,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:56,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:56,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:56,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:56,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:56,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:56,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:56,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:56,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:56,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:56,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:56,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:56,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:56,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:56,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:56,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:56,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:56,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:56,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:56,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:56,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:56,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:56,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:56,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:57,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:57,001 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:57,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:57,002 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:57,002 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:57,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:57,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:57,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:57,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:57,010 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:57,011 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:57,011 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:57,011 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:57,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:57,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:57,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:57,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:57,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:57,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:57,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:57,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:57,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:57,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:57,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:57,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:57,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:57,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:57,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:57,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:57,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:57,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:57,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:57,019 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:57,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:57,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:57,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:57,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:57,020 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02e16371708027ec56fdf0402c3e1a5d4f23a0ff [2021-10-11 02:21:57,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:57,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:57,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:57,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:57,362 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:57,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2021-10-11 02:21:57,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/0af7c8114/ad6d6e81ec1d416cbfeba85b6a0248cc/FLAG4f07cf55f [2021-10-11 02:21:57,860 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:57,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2021-10-11 02:21:57,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/0af7c8114/ad6d6e81ec1d416cbfeba85b6a0248cc/FLAG4f07cf55f [2021-10-11 02:21:58,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/0af7c8114/ad6d6e81ec1d416cbfeba85b6a0248cc [2021-10-11 02:21:58,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:58,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:58,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:58,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:58,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:58,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b00d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58, skipping insertion in model container [2021-10-11 02:21:58,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:58,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:58,482 WARN L226 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_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2021-10-11 02:21:58,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:58,509 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:58,522 WARN L226 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_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2021-10-11 02:21:58,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:58,542 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:58,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58 WrapperNode [2021-10-11 02:21:58,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:58,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:58,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:58,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:58,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:58,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:58,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:58,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:58,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:58,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:58,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:58,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:58,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:21:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:59,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:59,009 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:21:59,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:59 BoogieIcfgContainer [2021-10-11 02:21:59,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:59,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:59,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:59,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:59,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:58" (1/3) ... [2021-10-11 02:21:59,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc063d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:59, skipping insertion in model container [2021-10-11 02:21:59,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58" (2/3) ... [2021-10-11 02:21:59,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc063d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:59, skipping insertion in model container [2021-10-11 02:21:59,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:59" (3/3) ... [2021-10-11 02:21:59,037 INFO L111 eAbstractionObserver]: Analyzing ICFG loop2-1.c [2021-10-11 02:21:59,059 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:59,062 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:21:59,073 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:21:59,100 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:59,103 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:59,104 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:59,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:59,104 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:59,104 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:59,104 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:59,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 02:21:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:21:59,120 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:59,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:21:59,121 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:59,126 INFO L82 PathProgramCache]: Analyzing trace with hash 79307711, now seen corresponding path program 1 times [2021-10-11 02:21:59,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:21:59,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368014003] [2021-10-11 02:21:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:21:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:59,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368014003] [2021-10-11 02:21:59,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:59,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:59,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240756688] [2021-10-11 02:21:59,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:59,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:21:59,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:59,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:59,326 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 2 states. [2021-10-11 02:21:59,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:59,364 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-10-11 02:21:59,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:59,365 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2021-10-11 02:21:59,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:59,377 INFO L225 Difference]: With dead ends: 15 [2021-10-11 02:21:59,378 INFO L226 Difference]: Without dead ends: 7 [2021-10-11 02:21:59,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-11 02:21:59,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-11 02:21:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 02:21:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-11 02:21:59,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-10-11 02:21:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:59,418 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-11 02:21:59,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-11 02:21:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:21:59,420 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:59,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:21:59,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:21:59,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1837533428, now seen corresponding path program 1 times [2021-10-11 02:21:59,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:21:59,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502031255] [2021-10-11 02:21:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:21:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:21:59,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:21:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:21:59,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:21:59,566 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:21:59,567 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:21:59,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:21:59,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:59 BoogieIcfgContainer [2021-10-11 02:21:59,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:59,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:59,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:59,593 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:59,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:59" (3/4) ... [2021-10-11 02:21:59,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:21:59,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:59,598 INFO L168 Benchmark]: Toolchain (without parser) took 1361.47 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 65.4 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:59,599 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:59,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.48 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 72.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:59,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:59,602 INFO L168 Benchmark]: Boogie Preprocessor took 21.42 ms. Allocated memory is still 96.5 MB. Free memory was 70.8 MB in the beginning and 69.9 MB in the end (delta: 915.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:59,602 INFO L168 Benchmark]: RCFGBuilder took 415.81 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 49.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:59,603 INFO L168 Benchmark]: TraceAbstraction took 578.72 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 65.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:59,603 INFO L168 Benchmark]: Witness Printer took 4.19 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 65.4 MB in the end (delta: 498.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:59,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.48 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 72.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.42 ms. Allocated memory is still 96.5 MB. Free memory was 70.8 MB in the beginning and 69.9 MB in the end (delta: 915.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 415.81 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 49.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 578.72 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 65.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.19 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 65.4 MB in the end (delta: 498.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L14] float pi = 3.14159 ; [L20] float x = __VERIFIER_nondet_float() ; [L21] float octant = pi/3 ; [L10] COND FALSE !(!cond) [L23] float oddExp = x ; [L24] float evenExp = 1.0 ; [L25] float term = x ; [L26] unsigned int count = 2 ; [L27] int multFactor = 0 ; [L28] int temp ; VAL [pi=314159/100000] [L30] COND TRUE 1 [L32] term = term * (x/count) [L33] EXPR (count>>1 % 2 == 0) ? 1 : -1 [L33] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L35] evenExp = evenExp + multFactor*term [L37] count++ [L39] term = term * (x/count) [L41] oddExp = oddExp + multFactor*term [L43] count++ [L45] temp = __VERIFIER_nondet_int() [L46] COND TRUE temp == 0 VAL [pi=314159/100000] [L12] COND TRUE !(cond) VAL [pi=314159/100000] [L12] reach_error() VAL [pi=314159/100000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:02,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:02,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:02,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:02,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:02,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:02,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:02,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:02,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:02,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:02,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:02,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:02,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:02,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:02,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:02,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:02,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:02,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:02,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:02,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:02,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:02,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:02,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:02,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:02,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:02,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:02,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:02,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:02,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:02,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:02,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:02,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:02,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:02,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:02,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:02,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:02,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:02,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:02,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:02,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:02,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:02,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:02,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:02,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:02,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:02,257 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:02,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:02,258 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:02,258 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:02,258 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:02,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:02,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:02,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:02,263 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:02,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:02,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:02,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:02,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:02,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:02,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:02,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:02,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:02,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:02,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:02,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:02,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:02,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:02,265 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:02,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:02,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:02,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:02,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:02,266 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_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02e16371708027ec56fdf0402c3e1a5d4f23a0ff [2021-10-11 02:22:02,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:02,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:02,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:02,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:02,677 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:02,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2021-10-11 02:22:02,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/88a16010d/c33f80d559b747e18c1e96b62ab061fd/FLAG5a55f590b [2021-10-11 02:22:03,318 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:03,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2021-10-11 02:22:03,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/88a16010d/c33f80d559b747e18c1e96b62ab061fd/FLAG5a55f590b [2021-10-11 02:22:03,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/data/88a16010d/c33f80d559b747e18c1e96b62ab061fd [2021-10-11 02:22:03,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:03,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:03,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:03,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:03,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:03,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:03,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50736aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03, skipping insertion in model container [2021-10-11 02:22:03,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:03,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:03,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:03,865 WARN L226 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_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2021-10-11 02:22:03,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:03,895 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:03,907 WARN L226 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_afefea3e-e38f-4273-956f-61942849ee43/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2021-10-11 02:22:03,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:03,929 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:03,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03 WrapperNode [2021-10-11 02:22:03,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:03,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:03,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:03,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:03,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:03,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:04,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:04,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:04,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:04,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:04,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:04,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:04,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:04,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:04,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:09,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:09,400 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:22:09,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:09 BoogieIcfgContainer [2021-10-11 02:22:09,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:09,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:09,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:09,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:09,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:03" (1/3) ... [2021-10-11 02:22:09,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef2afef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:09, skipping insertion in model container [2021-10-11 02:22:09,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03" (2/3) ... [2021-10-11 02:22:09,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef2afef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:09, skipping insertion in model container [2021-10-11 02:22:09,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:09" (3/3) ... [2021-10-11 02:22:09,410 INFO L111 eAbstractionObserver]: Analyzing ICFG loop2-1.c [2021-10-11 02:22:09,424 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:09,431 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:22:09,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:22:09,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:09,493 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:09,493 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:09,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:09,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:09,494 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:09,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:09,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2021-10-11 02:22:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:22:09,511 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:09,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:09,512 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:09,517 INFO L82 PathProgramCache]: Analyzing trace with hash 119997515, now seen corresponding path program 1 times [2021-10-11 02:22:09,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:09,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008208985] [2021-10-11 02:22:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:09,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:09,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:09,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008208985] [2021-10-11 02:22:09,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:09,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:09,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774208156] [2021-10-11 02:22:09,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:09,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:09,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:09,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:09,780 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 2 states. [2021-10-11 02:22:09,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:09,808 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-10-11 02:22:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:09,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 02:22:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:09,820 INFO L225 Difference]: With dead ends: 29 [2021-10-11 02:22:09,821 INFO L226 Difference]: Without dead ends: 12 [2021-10-11 02:22:09,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:09,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-11 02:22:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-11 02:22:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 02:22:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-10-11 02:22:09,859 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2021-10-11 02:22:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:09,860 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-11 02:22:09,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-11 02:22:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:22:09,861 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:09,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:10,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:10,079 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:10,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:10,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2105434535, now seen corresponding path program 1 times [2021-10-11 02:22:10,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:10,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906449849] [2021-10-11 02:22:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:10,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:10,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:10,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:10,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906449849] [2021-10-11 02:22:10,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:10,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:10,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648668472] [2021-10-11 02:22:10,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:10,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:10,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:10,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:10,942 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 3 states. [2021-10-11 02:22:16,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:16,997 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2021-10-11 02:22:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:16,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2021-10-11 02:22:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:16,998 INFO L225 Difference]: With dead ends: 23 [2021-10-11 02:22:16,998 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 02:22:16,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:17,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 02:22:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-11 02:22:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-11 02:22:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-10-11 02:22:17,003 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2021-10-11 02:22:17,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:17,004 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-10-11 02:22:17,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-10-11 02:22:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:22:17,005 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:17,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:17,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,226 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:17,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:17,227 INFO L82 PathProgramCache]: Analyzing trace with hash -2048176233, now seen corresponding path program 1 times [2021-10-11 02:22:17,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:17,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280201187] [2021-10-11 02:22:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:18,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:18,799 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:18,891 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:22:18,891 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:22:19,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:19,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:19 BoogieIcfgContainer [2021-10-11 02:22:19,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:19,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:19,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:19,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:19,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:09" (3/4) ... [2021-10-11 02:22:19,132 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:22:19,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afefea3e-e38f-4273-956f-61942849ee43/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:19,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:19,183 INFO L168 Benchmark]: Toolchain (without parser) took 15522.76 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 41.0 MB in the beginning and 51.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,184 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:19,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.51 ms. Allocated memory is still 60.8 MB. Free memory was 40.7 MB in the beginning and 30.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.44 ms. Allocated memory is still 60.8 MB. Free memory was 30.0 MB in the beginning and 44.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,186 INFO L168 Benchmark]: Boogie Preprocessor took 49.77 ms. Allocated memory is still 60.8 MB. Free memory was 44.4 MB in the beginning and 43.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:19,186 INFO L168 Benchmark]: RCFGBuilder took 5346.56 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 29.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,187 INFO L168 Benchmark]: TraceAbstraction took 9724.93 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 29.1 MB in the beginning and 53.9 MB in the end (delta: -24.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,188 INFO L168 Benchmark]: Witness Printer took 52.67 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 51.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 269.51 ms. Allocated memory is still 60.8 MB. Free memory was 40.7 MB in the beginning and 30.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.44 ms. Allocated memory is still 60.8 MB. Free memory was 30.0 MB in the beginning and 44.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.77 ms. Allocated memory is still 60.8 MB. Free memory was 44.4 MB in the beginning and 43.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 5346.56 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 29.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9724.93 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 29.1 MB in the beginning and 53.9 MB in the end (delta: -24.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 52.67 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 51.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] float pi = 3.14159 ; VAL [pi=3.141590118408203] [L20] float x = __VERIFIER_nondet_float() ; [L21] float octant = pi/3 ; [L10] COND FALSE !(!cond) VAL [pi=3.141590118408203] [L23] float oddExp = x ; [L24] float evenExp = 1.0 ; [L25] float term = x ; [L26] unsigned int count = 2 ; [L27] int multFactor = 0 ; [L28] int temp ; VAL [pi=3.141590118408203] [L30] COND TRUE 1 [L32] term = term * (x/count) VAL [pi=3.141590118408203] [L33] EXPR (count>>1 % 2 == 0) ? 1 : -1 VAL [pi=3.141590118408203] [L33] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L35] evenExp = evenExp + multFactor*term [L37] count++ [L39] term = term * (x/count) [L41] oddExp = oddExp + multFactor*term [L43] count++ [L45] temp = __VERIFIER_nondet_int() [L46] COND TRUE temp == 0 VAL [pi=3.141590118408203] [L12] COND TRUE !(cond) VAL [pi=3.141590118408203] [L12] reach_error() VAL [pi=3.141590118408203] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 1 SDslu, 7 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 1 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...