./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/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_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/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_7ba9db58-1149-4778-b1ae-758c1ef95763/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 07cf728e594e227dafc07e33770c9952635c513c ................................................................................................................................................................................................................................................................................................................................. 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_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/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_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/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_7ba9db58-1149-4778-b1ae-758c1ef95763/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 07cf728e594e227dafc07e33770c9952635c513c ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:41:10,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:41:10,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:41:10,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:41:10,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:41:10,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:41:10,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:41:10,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:41:10,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:41:10,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:41:10,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:41:10,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:41:10,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:41:10,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:41:10,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:41:10,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:41:10,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:41:10,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:41:10,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:41:10,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:41:10,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:41:10,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:41:10,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:41:10,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:41:10,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:41:10,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:41:10,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:41:10,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:41:10,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:41:10,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:41:10,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:41:10,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:41:10,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:41:10,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:41:10,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:41:10,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:41:10,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:41:10,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:41:10,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:41:10,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:41:10,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:41:10,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:41:10,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:41:10,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:41:10,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:41:10,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:41:10,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:41:10,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:41:10,972 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:41:10,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:41:10,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:41:10,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:41:10,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:41:10,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:41:10,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:41:10,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:41:10,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:41:10,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:41:10,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:41:10,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:41:10,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:41:10,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:41:10,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:41:10,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:41:10,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:41:10,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:41:10,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:41:10,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:41:10,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:41:10,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:41:10,982 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:41:10,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:41:10,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:41:10,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:41:10,983 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_7ba9db58-1149-4778-b1ae-758c1ef95763/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2021-10-15 19:41:11,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:41:11,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:41:11,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:41:11,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:41:11,350 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:41:11,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2021-10-15 19:41:11,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/ce8c4d763/ba66c1c3a6134f838577b710dd3d4aae/FLAG5a74a751c [2021-10-15 19:41:11,947 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:41:11,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2021-10-15 19:41:11,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/ce8c4d763/ba66c1c3a6134f838577b710dd3d4aae/FLAG5a74a751c [2021-10-15 19:41:12,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/ce8c4d763/ba66c1c3a6134f838577b710dd3d4aae [2021-10-15 19:41:12,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:41:12,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:41:12,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:41:12,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:41:12,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:41:12,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e82b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12, skipping insertion in model container [2021-10-15 19:41:12,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:41:12,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:41:12,611 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_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2021-10-15 19:41:12,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:41:12,632 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:41:12,688 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_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2021-10-15 19:41:12,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:41:12,704 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:41:12,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12 WrapperNode [2021-10-15 19:41:12,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:41:12,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:41:12,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:41:12,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:41:12,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:41:12,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:41:12,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:41:12,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:41:12,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:41:12,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:41:12,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:41:12,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:41:12,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (1/1) ... [2021-10-15 19:41:12,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:41:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:41:12,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:41:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:41:12,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:41:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:41:13,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:41:13,466 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:41:13,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:41:13 BoogieIcfgContainer [2021-10-15 19:41:13,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:41:13,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:41:13,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:41:13,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:41:13,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:41:12" (1/3) ... [2021-10-15 19:41:13,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c96162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:41:13, skipping insertion in model container [2021-10-15 19:41:13,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:12" (2/3) ... [2021-10-15 19:41:13,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c96162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:41:13, skipping insertion in model container [2021-10-15 19:41:13,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:41:13" (3/3) ... [2021-10-15 19:41:13,489 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2021-10-15 19:41:13,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:41:13,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:41:13,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:41:13,568 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 19:41:13,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:41:13,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 80 transitions, 160 flow [2021-10-15 19:41:13,613 INFO L129 PetriNetUnfolder]: 33/80 cut-off events. [2021-10-15 19:41:13,613 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:41:13,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 80 events. 33/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:41:13,616 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 80 transitions, 160 flow [2021-10-15 19:41:13,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 74 transitions, 148 flow [2021-10-15 19:41:13,628 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2021-10-15 19:41:13,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:41:13,628 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:41:13,629 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:41:13,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:41:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:41:13,635 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2021-10-15 19:41:13,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:41:13,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878243550] [2021-10-15 19:41:13,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:41:13,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:41:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:41:13,825 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 19:41:13,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:41:13,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878243550] [2021-10-15 19:41:13,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878243550] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:41:13,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:41:13,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:41:13,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321304340] [2021-10-15 19:41:13,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:41:13,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:41:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:41:13,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:41:13,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 80 [2021-10-15 19:41:13,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 74 transitions, 148 flow. Second operand has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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 19:41:13,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:41:13,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 80 [2021-10-15 19:41:13,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:41:13,878 INFO L129 PetriNetUnfolder]: 17/60 cut-off events. [2021-10-15 19:41:13,878 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:41:13,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 60 events. 17/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 14/57 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-10-15 19:41:13,882 INFO L132 encePairwiseOnDemand]: 66/80 looper letters, 0 selfloop transitions, 0 changer transitions 0/60 dead transitions. [2021-10-15 19:41:13,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 60 transitions, 120 flow [2021-10-15 19:41:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:41:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:41:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 144 transitions. [2021-10-15 19:41:13,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-10-15 19:41:13,898 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 144 transitions. [2021-10-15 19:41:13,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 144 transitions. [2021-10-15 19:41:13,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:41:13,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 144 transitions. [2021-10-15 19:41:13,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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 19:41:13,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 19:41:13,913 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 19:41:13,916 INFO L186 Difference]: Start difference. First operand has 44 places, 74 transitions, 148 flow. Second operand 2 states and 144 transitions. [2021-10-15 19:41:13,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 60 transitions, 120 flow [2021-10-15 19:41:13,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 60 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:41:13,924 INFO L242 Difference]: Finished difference. Result has 45 places, 60 transitions, 120 flow [2021-10-15 19:41:13,926 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=120, PETRI_PLACES=45, PETRI_TRANSITIONS=60} [2021-10-15 19:41:13,927 INFO L334 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2021-10-15 19:41:13,928 INFO L470 AbstractCegarLoop]: Abstraction has has 45 places, 60 transitions, 120 flow [2021-10-15 19:41:13,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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 19:41:13,928 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:41:13,929 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:41:13,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:41:13,929 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:41:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:41:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2021-10-15 19:41:13,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:41:13,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736330268] [2021-10-15 19:41:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:41:13,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:41:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:41:14,013 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:41:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:41:14,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:41:14,102 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:41:14,104 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:41:14,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:41:14,113 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:41:14,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:41:14 BoogieIcfgContainer [2021-10-15 19:41:14,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:41:14,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:41:14,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:41:14,147 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:41:14,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:41:13" (3/4) ... [2021-10-15 19:41:14,151 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:41:14,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:41:14,154 INFO L168 Benchmark]: Toolchain (without parser) took 1839.76 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 78.3 MB in the beginning and 89.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:14,155 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:14,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.90 ms. Allocated memory is still 111.1 MB. Free memory was 78.0 MB in the beginning and 83.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:14,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.16 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 81.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:14,158 INFO L168 Benchmark]: Boogie Preprocessor took 69.50 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:14,159 INFO L168 Benchmark]: RCFGBuilder took 636.22 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 64.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:14,159 INFO L168 Benchmark]: TraceAbstraction took 674.41 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.2 MB in the beginning and 89.9 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:14,160 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 89.3 MB in the end (delta: 677.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:14,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.90 ms. Allocated memory is still 111.1 MB. Free memory was 78.0 MB in the beginning and 83.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.16 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 81.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.50 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 636.22 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 64.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 674.41 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.2 MB in the beginning and 89.9 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.47 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 89.3 MB in the end (delta: 677.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={6:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={6:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={6:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L137] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 554.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 78.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 53.6ms, 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, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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: 14.5ms SsaConstructionTime, 103.4ms SatisfiabilityAnalysisTime, 51.0ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:41:14,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/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 19:41:16,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:41:16,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:41:16,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:41:16,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:41:16,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:41:16,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:41:16,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:41:16,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:41:16,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:41:16,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:41:16,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:41:16,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:41:16,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:41:16,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:41:16,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:41:16,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:41:16,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:41:16,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:41:16,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:41:16,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:41:16,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:41:16,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:41:16,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:41:16,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:41:16,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:41:16,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:41:16,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:41:16,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:41:16,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:41:16,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:41:16,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:41:16,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:41:17,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:41:17,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:41:17,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:41:17,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:41:17,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:41:17,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:41:17,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:41:17,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:41:17,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:41:17,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:41:17,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:41:17,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:41:17,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:41:17,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:41:17,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:41:17,082 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:41:17,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:41:17,082 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:41:17,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:41:17,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:41:17,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:41:17,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:41:17,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:41:17,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:41:17,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:41:17,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:41:17,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:41:17,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:41:17,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:41:17,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:41:17,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:41:17,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:41:17,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:41:17,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:41:17,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:41:17,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:41:17,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:41:17,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:41:17,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:41:17,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:41:17,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:41:17,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:41:17,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:41:17,090 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_7ba9db58-1149-4778-b1ae-758c1ef95763/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2021-10-15 19:41:17,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:41:17,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:41:17,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:41:17,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:41:17,537 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:41:17,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2021-10-15 19:41:17,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/07abe266e/a336801eacdd4c88af6f8380cbfb9323/FLAG534306baa [2021-10-15 19:41:18,392 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:41:18,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2021-10-15 19:41:18,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/07abe266e/a336801eacdd4c88af6f8380cbfb9323/FLAG534306baa [2021-10-15 19:41:18,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/data/07abe266e/a336801eacdd4c88af6f8380cbfb9323 [2021-10-15 19:41:18,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:41:18,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:41:18,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:41:18,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:41:18,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:41:18,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:41:18" (1/1) ... [2021-10-15 19:41:18,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2165ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:18, skipping insertion in model container [2021-10-15 19:41:18,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:41:18" (1/1) ... [2021-10-15 19:41:18,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:41:18,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:41:18,943 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_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2021-10-15 19:41:18,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:41:18,967 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:41:19,014 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_7ba9db58-1149-4778-b1ae-758c1ef95763/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2021-10-15 19:41:19,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:41:19,050 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:41:19,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19 WrapperNode [2021-10-15 19:41:19,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:41:19,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:41:19,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:41:19,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:41:19,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:41:19,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:41:19,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:41:19,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:41:19,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:41:19,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:41:19,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:41:19,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:41:19,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (1/1) ... [2021-10-15 19:41:19,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:41:19,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:41:19,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:41:19,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:41:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 19:41:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:41:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:41:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 19:41:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:41:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:41:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:41:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 19:41:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:41:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:41:20,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:41:20,864 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-15 19:41:20,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:41:20 BoogieIcfgContainer [2021-10-15 19:41:20,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:41:20,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:41:20,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:41:20,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:41:20,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:41:18" (1/3) ... [2021-10-15 19:41:20,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e42b05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:41:20, skipping insertion in model container [2021-10-15 19:41:20,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:41:19" (2/3) ... [2021-10-15 19:41:20,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e42b05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:41:20, skipping insertion in model container [2021-10-15 19:41:20,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:41:20" (3/3) ... [2021-10-15 19:41:20,876 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2021-10-15 19:41:20,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:41:20,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:41:20,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:41:20,972 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 19:41:20,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:41:20,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 80 transitions, 160 flow [2021-10-15 19:41:21,019 INFO L129 PetriNetUnfolder]: 33/80 cut-off events. [2021-10-15 19:41:21,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:41:21,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 80 events. 33/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:41:21,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 80 transitions, 160 flow [2021-10-15 19:41:21,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 74 transitions, 148 flow [2021-10-15 19:41:21,035 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2021-10-15 19:41:21,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:41:21,036 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:41:21,036 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:41:21,037 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:41:21,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:41:21,043 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2021-10-15 19:41:21,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:41:21,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830132595] [2021-10-15 19:41:21,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:41:21,057 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:41:21,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:41:21,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:41:21,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:41:21,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:41:21,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:41:21,368 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-15 19:41:21,374 INFO L168 Benchmark]: Toolchain (without parser) took 2671.59 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 35.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:21,374 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:21,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.45 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 29.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:21,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.72 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 44.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:21,377 INFO L168 Benchmark]: Boogie Preprocessor took 63.87 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 42.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:21,378 INFO L168 Benchmark]: RCFGBuilder took 1660.98 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 26.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:21,379 INFO L168 Benchmark]: TraceAbstraction took 502.51 ms. Allocated memory is still 62.9 MB. Free memory was 26.2 MB in the beginning and 35.0 MB in the end (delta: -8.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:21,383 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 62.9 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.45 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 29.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.72 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 44.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.87 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 42.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1660.98 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 26.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 502.51 ms. Allocated memory is still 62.9 MB. Free memory was 26.2 MB in the beginning and 35.0 MB in the end (delta: -8.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:41:21,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba9db58-1149-4778-b1ae-758c1ef95763/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...