./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3 --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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3 --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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:53:41,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:53:41,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:53:41,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:53:41,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:53:41,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:53:41,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:53:41,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:53:41,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:53:41,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:53:41,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:53:41,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:53:41,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:53:41,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:53:41,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:53:42,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:53:42,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:53:42,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:53:42,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:53:42,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:53:42,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:53:42,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:53:42,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:53:42,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:53:42,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:53:42,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:53:42,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:53:42,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:53:42,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:53:42,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:53:42,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:53:42,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:53:42,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:53:42,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:53:42,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:53:42,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:53:42,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:53:42,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:53:42,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:53:42,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:53:42,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:53:42,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:53:42,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:53:42,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:53:42,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:53:42,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:53:42,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:53:42,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:53:42,132 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:53:42,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:53:42,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:53:42,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:53:42,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:53:42,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:53:42,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:53:42,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:53:42,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:53:42,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:53:42,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:53:42,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:53:42,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:53:42,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:53:42,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:53:42,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:53:42,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:42,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:53:42,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:53:42,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:53:42,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:53:42,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:53:42,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:53:42,142 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:53:42,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:53:42,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:53:42,143 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_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2021-10-15 19:53:42,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:53:42,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:53:42,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:53:42,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:53:42,518 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:53:42,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-15 19:53:42,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/2fcc34aa7/3c565a5df0be49408b507825ffe43510/FLAGe69ba8b22 [2021-10-15 19:53:43,338 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:53:43,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-15 19:53:43,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/2fcc34aa7/3c565a5df0be49408b507825ffe43510/FLAGe69ba8b22 [2021-10-15 19:53:43,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/2fcc34aa7/3c565a5df0be49408b507825ffe43510 [2021-10-15 19:53:43,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:53:43,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:53:43,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:43,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:53:43,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:53:43,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:43" (1/1) ... [2021-10-15 19:53:43,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62075adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:43, skipping insertion in model container [2021-10-15 19:53:43,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:43" (1/1) ... [2021-10-15 19:53:43,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:53:43,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:53:43,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-15 19:53:43,953 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-15 19:53:43,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-15 19:53:43,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-15 19:53:43,957 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-15 19:53:43,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-15 19:53:43,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-15 19:53:43,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-15 19:53:43,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-15 19:53:43,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-15 19:53:43,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-15 19:53:43,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-15 19:53:43,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-15 19:53:43,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-15 19:53:43,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-15 19:53:43,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-15 19:53:43,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-15 19:53:43,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-15 19:53:43,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-15 19:53:43,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-15 19:53:43,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-15 19:53:43,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-15 19:53:43,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-15 19:53:43,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-15 19:53:43,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-15 19:53:43,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-15 19:53:43,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-15 19:53:43,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-15 19:53:43,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-15 19:53:43,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-15 19:53:43,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:44,004 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:53:44,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-15 19:53:44,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-15 19:53:44,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-15 19:53:44,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-15 19:53:44,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-15 19:53:44,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-15 19:53:44,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-15 19:53:44,028 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-15 19:53:44,030 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-15 19:53:44,032 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-15 19:53:44,036 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-15 19:53:44,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-15 19:53:44,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-15 19:53:44,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-15 19:53:44,041 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-15 19:53:44,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-15 19:53:44,047 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-15 19:53:44,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-15 19:53:44,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-15 19:53:44,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-15 19:53:44,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-15 19:53:44,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-15 19:53:44,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-15 19:53:44,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-15 19:53:44,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-15 19:53:44,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-15 19:53:44,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-15 19:53:44,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-15 19:53:44,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-15 19:53:44,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-15 19:53:44,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:44,080 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:53:44,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44 WrapperNode [2021-10-15 19:53:44,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:44,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:44,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:53:44,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:53:44,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:44,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:53:44,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:53:44,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:53:44,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:53:44,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:53:44,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:53:44,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:53:44,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (1/1) ... [2021-10-15 19:53:44,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:53:44,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:53:44,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:53:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:53:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:53:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:53:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:53:44,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:53:44,784 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:53:44,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:44 BoogieIcfgContainer [2021-10-15 19:53:44,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:53:44,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:53:44,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:53:44,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:53:44,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:53:43" (1/3) ... [2021-10-15 19:53:44,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab41545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:44, skipping insertion in model container [2021-10-15 19:53:44,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:44" (2/3) ... [2021-10-15 19:53:44,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab41545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:44, skipping insertion in model container [2021-10-15 19:53:44,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:44" (3/3) ... [2021-10-15 19:53:44,797 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2021-10-15 19:53:44,816 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:53:44,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-15 19:53:44,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:53:44,900 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, mConcurrency=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 [2021-10-15 19:53:44,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-10-15 19:53:44,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 124 transitions, 248 flow [2021-10-15 19:53:44,997 INFO L129 PetriNetUnfolder]: 30/124 cut-off events. [2021-10-15 19:53:44,997 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:53:44,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 124 events. 30/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 168 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:53:45,000 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 124 transitions, 248 flow [2021-10-15 19:53:45,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 120 transitions, 240 flow [2021-10-15 19:53:45,023 INFO L129 PetriNetUnfolder]: 1/5 cut-off events. [2021-10-15 19:53:45,023 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:53:45,024 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:53:45,024 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-10-15 19:53:45,026 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-10-15 19:53:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:53:45,036 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-15 19:53:45,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:53:45,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441112803] [2021-10-15 19:53:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:53:45,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:53:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:53:45,220 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:53:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:53:45,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:53:45,303 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:53:45,304 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:45,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:53:45,359 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:53:45,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:53:45 BoogieIcfgContainer [2021-10-15 19:53:45,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:53:45,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:53:45,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:53:45,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:53:45,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:44" (3/4) ... [2021-10-15 19:53:45,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:53:45,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:53:45,392 INFO L168 Benchmark]: Toolchain (without parser) took 1706.81 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 86.7 MB in the beginning and 117.6 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:45,393 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 115.3 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:45,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.01 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 86.4 MB in the end (delta: 97.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:45,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 84.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:45,399 INFO L168 Benchmark]: Boogie Preprocessor took 59.52 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 83.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:45,400 INFO L168 Benchmark]: RCFGBuilder took 601.68 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 71.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:45,404 INFO L168 Benchmark]: TraceAbstraction took 593.92 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 70.9 MB in the beginning and 117.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:45,405 INFO L168 Benchmark]: Witness Printer took 5.64 ms. Allocated memory is still 144.7 MB. Free memory is still 117.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:45,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 115.3 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.01 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 86.4 MB in the end (delta: 97.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 84.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.52 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 83.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 601.68 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 71.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 593.92 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 70.9 MB in the beginning and 117.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.64 ms. Allocated memory is still 144.7 MB. Free memory is still 117.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7]: 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 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L7] reach_error() - UnprovableResult [Line: 8]: 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: 9]: 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: 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: 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: 29]: 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: 30]: 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: 31]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 473.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 112.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.1ms SsaConstructionTime, 49.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:53:45,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:53:48,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:53:48,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:53:48,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:53:48,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:53:48,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:53:48,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:53:48,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:53:48,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:53:48,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:53:48,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:53:48,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:53:48,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:53:48,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:53:48,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:53:48,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:53:48,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:53:48,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:53:48,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:53:48,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:53:48,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:53:48,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:53:48,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:53:48,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:53:48,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:53:48,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:53:48,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:53:48,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:53:48,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:53:48,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:53:48,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:53:48,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:53:48,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:53:48,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:53:48,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:53:48,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:53:48,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:53:48,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:53:48,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:53:48,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:53:48,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:53:48,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:53:48,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:53:48,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:53:48,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:53:48,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:53:48,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:53:48,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:53:48,700 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:53:48,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:53:48,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:53:48,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:53:48,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:53:48,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:53:48,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:53:48,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:53:48,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:53:48,704 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:53:48,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:53:48,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:53:48,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:53:48,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:53:48,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:53:48,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:53:48,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:53:48,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:48,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:53:48,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:53:48,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:53:48,707 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:53:48,707 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:53:48,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:53:48,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:53:48,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:53:48,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:53:48,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:53:48,709 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_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2021-10-15 19:53:49,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:53:49,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:53:49,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:53:49,171 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:53:49,172 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:53:49,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-15 19:53:49,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/3404c7da2/fc87214d40b648f8a7a30887332c423a/FLAG4dd62ded4 [2021-10-15 19:53:49,867 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:53:49,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-15 19:53:49,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/3404c7da2/fc87214d40b648f8a7a30887332c423a/FLAG4dd62ded4 [2021-10-15 19:53:50,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/data/3404c7da2/fc87214d40b648f8a7a30887332c423a [2021-10-15 19:53:50,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:53:50,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:53:50,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:50,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:53:50,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:53:50,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec3ba73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50, skipping insertion in model container [2021-10-15 19:53:50,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:53:50,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:53:50,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-15 19:53:50,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-15 19:53:50,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-15 19:53:50,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-15 19:53:50,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-15 19:53:50,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-15 19:53:50,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-15 19:53:50,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-15 19:53:50,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-15 19:53:50,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-15 19:53:50,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-15 19:53:50,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-15 19:53:50,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-15 19:53:50,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-15 19:53:50,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-15 19:53:50,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-15 19:53:50,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-15 19:53:50,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-15 19:53:50,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-15 19:53:50,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-15 19:53:50,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-15 19:53:50,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-15 19:53:50,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-15 19:53:50,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-15 19:53:50,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-15 19:53:50,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-15 19:53:50,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-15 19:53:50,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-15 19:53:50,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-15 19:53:50,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-15 19:53:50,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:50,493 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:53:50,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-15 19:53:50,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-15 19:53:50,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-15 19:53:50,512 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-15 19:53:50,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-15 19:53:50,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-15 19:53:50,515 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-15 19:53:50,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-15 19:53:50,517 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-15 19:53:50,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-15 19:53:50,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-15 19:53:50,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-15 19:53:50,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-15 19:53:50,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-15 19:53:50,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-15 19:53:50,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-15 19:53:50,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-15 19:53:50,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-15 19:53:50,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-15 19:53:50,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-15 19:53:50,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-15 19:53:50,528 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-15 19:53:50,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-15 19:53:50,530 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-15 19:53:50,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-15 19:53:50,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-15 19:53:50,533 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-15 19:53:50,534 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-15 19:53:50,535 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-15 19:53:50,537 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-15 19:53:50,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:50,584 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:53:50,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50 WrapperNode [2021-10-15 19:53:50,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:50,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:50,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:53:50,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:53:50,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:50,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:53:50,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:53:50,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:53:50,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:53:50,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:53:50,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:53:50,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:53:50,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:50,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:53:50,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:53:50,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:53:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:53:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:53:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:53:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:53:51,269 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:53:51,270 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:53:51,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:51 BoogieIcfgContainer [2021-10-15 19:53:51,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:53:51,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:53:51,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:53:51,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:53:51,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:53:50" (1/3) ... [2021-10-15 19:53:51,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703a4369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:51, skipping insertion in model container [2021-10-15 19:53:51,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (2/3) ... [2021-10-15 19:53:51,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703a4369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:51, skipping insertion in model container [2021-10-15 19:53:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:51" (3/3) ... [2021-10-15 19:53:51,282 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2021-10-15 19:53:51,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:53:51,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-15 19:53:51,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:53:51,356 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, mConcurrency=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 [2021-10-15 19:53:51,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-10-15 19:53:51,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 124 transitions, 248 flow [2021-10-15 19:53:51,437 INFO L129 PetriNetUnfolder]: 30/124 cut-off events. [2021-10-15 19:53:51,437 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:53:51,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 124 events. 30/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 168 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:53:51,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 124 transitions, 248 flow [2021-10-15 19:53:51,454 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 120 transitions, 240 flow [2021-10-15 19:53:51,457 INFO L129 PetriNetUnfolder]: 1/5 cut-off events. [2021-10-15 19:53:51,457 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:53:51,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:53:51,459 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-10-15 19:53:51,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-10-15 19:53:51,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:53:51,466 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-15 19:53:51,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:53:51,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906960536] [2021-10-15 19:53:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:53:51,485 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:53:51,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:53:51,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:53:51,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:53:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:53:51,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-15 19:53:51,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:53:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:53:51,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:53:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:53:51,653 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:53:51,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906960536] [2021-10-15 19:53:51,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906960536] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:53:51,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:53:51,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-15 19:53:51,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958016674] [2021-10-15 19:53:51,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:53:51,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:53:51,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:53:51,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:53:51,691 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 124 [2021-10-15 19:53:51,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 120 transitions, 240 flow. Second operand has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:53:51,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:53:51,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 124 [2021-10-15 19:53:51,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:53:51,714 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-10-15 19:53:51,714 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:53:51,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 30/61 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-15 19:53:51,716 INFO L132 encePairwiseOnDemand]: 94/124 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2021-10-15 19:53:51,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 62 flow [2021-10-15 19:53:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:53:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:53:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 158 transitions. [2021-10-15 19:53:51,740 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6370967741935484 [2021-10-15 19:53:51,741 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 158 transitions. [2021-10-15 19:53:51,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 158 transitions. [2021-10-15 19:53:51,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:53:51,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 158 transitions. [2021-10-15 19:53:51,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 79.0) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:53:51,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:53:51,758 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:53:51,761 INFO L186 Difference]: Start difference. First operand has 92 places, 120 transitions, 240 flow. Second operand 2 states and 158 transitions. [2021-10-15 19:53:51,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 62 flow [2021-10-15 19:53:51,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 62 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:53:51,766 INFO L242 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2021-10-15 19:53:51,769 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2021-10-15 19:53:51,770 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, -59 predicate places. [2021-10-15 19:53:51,770 INFO L470 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2021-10-15 19:53:51,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:53:51,774 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,775 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,775 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,776 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,776 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,776 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,777 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,777 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,777 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,784 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,784 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,784 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:53:51,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:53:52,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:53:52,012 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:53:52,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:53:52 BoogieIcfgContainer [2021-10-15 19:53:52,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:53:52,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:53:52,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:53:52,032 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:53:52,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:51" (3/4) ... [2021-10-15 19:53:52,036 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-15 19:53:52,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-15 19:53:52,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-15 19:53:52,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 19:53:52,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 19:53:52,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:53:52,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:53:52,150 INFO L168 Benchmark]: Toolchain (without parser) took 1928.67 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.4 MB in the beginning and 40.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,151 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 37.1 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:52,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.06 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 39.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,153 INFO L168 Benchmark]: Boogie Preprocessor took 37.14 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:52,153 INFO L168 Benchmark]: RCFGBuilder took 584.28 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 49.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,155 INFO L168 Benchmark]: TraceAbstraction took 752.92 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 45.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,156 INFO L168 Benchmark]: Witness Printer took 118.91 ms. Allocated memory is still 69.2 MB. Free memory was 45.0 MB in the beginning and 40.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:52,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 37.1 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.06 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 39.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.97 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.14 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 584.28 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 49.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 752.92 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 45.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 118.91 ms. Allocated memory is still 69.2 MB. Free memory was 45.0 MB in the beginning and 40.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 9]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 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: 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: 29]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 30]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 31]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 669.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 87.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 98.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.3ms SsaConstructionTime, 21.5ms SatisfiabilityAnalysisTime, 64.3ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 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 - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-15 19:53:52,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137de08d-11e5-44f9-908c-c28463692041/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...