./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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 d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be ................................................................................................................................................................................................................................................................................................................................ 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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 d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be ........................................................................................................................................................................................................................................................................... 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 20:27:30,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:27:30,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:27:30,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:27:30,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:27:30,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:27:30,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:27:30,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:27:30,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:27:30,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:27:30,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:27:30,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:27:30,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:27:30,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:27:30,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:27:30,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:27:30,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:27:30,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:27:30,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:27:30,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:27:30,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:27:30,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:27:30,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:27:30,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:27:30,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:27:30,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:27:30,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:27:30,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:27:30,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:27:30,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:27:30,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:27:30,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:27:30,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:27:30,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:27:30,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:27:30,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:27:30,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:27:30,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:27:30,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:27:30,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:27:30,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:27:30,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:27:30,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:27:30,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:27:30,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:27:30,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:27:30,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:27:30,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:27:30,947 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:27:30,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:27:30,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:27:30,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:27:30,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:27:30,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:27:30,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:27:30,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:27:30,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:27:30,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:27:30,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:27:30,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:27:30,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:27:30,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:27:30,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:27:30,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:27:30,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:27:30,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:27:30,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:27:30,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:27:30,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:27:30,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:27:30,953 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:27:30,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:27:30,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:27:30,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:27:30,956 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be [2021-10-15 20:27:31,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:27:31,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:27:31,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:27:31,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:27:31,278 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:27:31,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2021-10-15 20:27:31,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/f7bd433e2/86346b97b6ad41d4b1476581aef49b04/FLAGadcbd40a4 [2021-10-15 20:27:31,946 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:27:31,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2021-10-15 20:27:31,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/f7bd433e2/86346b97b6ad41d4b1476581aef49b04/FLAGadcbd40a4 [2021-10-15 20:27:32,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/f7bd433e2/86346b97b6ad41d4b1476581aef49b04 [2021-10-15 20:27:32,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:27:32,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:27:32,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:32,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:27:32,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:27:32,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b20b3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32, skipping insertion in model container [2021-10-15 20:27:32,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:27:32,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:27:32,616 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2021-10-15 20:27:32,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:32,640 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:27:32,716 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2021-10-15 20:27:32,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:32,732 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:27:32,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32 WrapperNode [2021-10-15 20:27:32,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:32,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:32,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:27:32,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:27:32,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:32,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:27:32,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:27:32,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:27:32,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:27:32,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:27:32,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:27:32,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:27:32,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (1/1) ... [2021-10-15 20:27:32,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:27:32,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:32,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:32,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:27:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:27:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:27:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 20:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 20:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:27:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:27:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:27:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 20:27:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:27:33,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:27:33,437 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-15 20:27:33,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:33 BoogieIcfgContainer [2021-10-15 20:27:33,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:27:33,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:27:33,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:27:33,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:27:33,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:27:32" (1/3) ... [2021-10-15 20:27:33,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae04dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:33, skipping insertion in model container [2021-10-15 20:27:33,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:32" (2/3) ... [2021-10-15 20:27:33,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae04dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:33, skipping insertion in model container [2021-10-15 20:27:33,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:33" (3/3) ... [2021-10-15 20:27:33,457 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2021-10-15 20:27:33,467 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:27:33,468 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:27:33,527 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:27:33,538 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 20:27:33,538 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:27:33,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 70 transitions, 140 flow [2021-10-15 20:27:33,599 INFO L129 PetriNetUnfolder]: 29/70 cut-off events. [2021-10-15 20:27:33,602 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:27:33,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 70 events. 29/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 20:27:33,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 70 transitions, 140 flow [2021-10-15 20:27:33,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 66 transitions, 132 flow [2021-10-15 20:27:33,625 INFO L129 PetriNetUnfolder]: 11/29 cut-off events. [2021-10-15 20:27:33,626 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:27:33,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:27:33,626 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:33,627 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:27:33,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:33,633 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2021-10-15 20:27:33,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:33,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197976215] [2021-10-15 20:27:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:33,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:33,805 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 20:27:33,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:27:33,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197976215] [2021-10-15 20:27:33,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197976215] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:27:33,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:27:33,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:27:33,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152195964] [2021-10-15 20:27:33,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 20:27:33,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:27:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:27:33,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:27:33,838 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 70 [2021-10-15 20:27:33,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 66 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 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 20:27:33,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 20:27:33,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 70 [2021-10-15 20:27:33,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 20:27:33,859 INFO L129 PetriNetUnfolder]: 16/54 cut-off events. [2021-10-15 20:27:33,859 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:27:33,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 54 events. 16/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 12/50 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-10-15 20:27:33,862 INFO L132 encePairwiseOnDemand]: 58/70 looper letters, 0 selfloop transitions, 0 changer transitions 0/54 dead transitions. [2021-10-15 20:27:33,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 54 transitions, 108 flow [2021-10-15 20:27:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:27:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 20:27:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 126 transitions. [2021-10-15 20:27:33,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-10-15 20:27:33,877 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 126 transitions. [2021-10-15 20:27:33,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 126 transitions. [2021-10-15 20:27:33,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:27:33,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 126 transitions. [2021-10-15 20:27:33,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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 20:27:33,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 20:27:33,918 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 20:27:33,920 INFO L186 Difference]: Start difference. First operand has 39 places, 66 transitions, 132 flow. Second operand 2 states and 126 transitions. [2021-10-15 20:27:33,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 54 transitions, 108 flow [2021-10-15 20:27:33,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 54 transitions, 108 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 20:27:33,927 INFO L242 Difference]: Finished difference. Result has 40 places, 54 transitions, 108 flow [2021-10-15 20:27:33,932 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=108, PETRI_PLACES=40, PETRI_TRANSITIONS=54} [2021-10-15 20:27:33,933 INFO L334 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2021-10-15 20:27:33,934 INFO L470 AbstractCegarLoop]: Abstraction has has 40 places, 54 transitions, 108 flow [2021-10-15 20:27:33,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 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 20:27:33,934 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:27:33,934 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:33,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 20:27:33,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:27:33,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:33,937 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2021-10-15 20:27:33,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:33,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303843843] [2021-10-15 20:27:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:33,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:34,061 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:34,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:34,182 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 20:27:34,190 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 20:27:34,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 20:27:34,199 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:27:34,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:27:34 BoogieIcfgContainer [2021-10-15 20:27:34,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:27:34,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:27:34,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:27:34,252 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:27:34,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:33" (3/4) ... [2021-10-15 20:27:34,256 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:27:34,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:27:34,259 INFO L168 Benchmark]: Toolchain (without parser) took 1965.14 ms. Allocated memory is still 100.7 MB. Free memory was 62.6 MB in the beginning and 66.8 MB in the end (delta: -4.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:34,260 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory is still 79.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:34,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.29 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 75.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:34,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.95 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 73.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:34,266 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 71.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:34,273 INFO L168 Benchmark]: RCFGBuilder took 598.84 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 56.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:34,274 INFO L168 Benchmark]: TraceAbstraction took 806.47 ms. Allocated memory is still 100.7 MB. Free memory was 56.2 MB in the beginning and 67.1 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:34,277 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 66.8 MB in the end (delta: 294.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:34,283 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 100.7 MB. Free memory is still 79.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.29 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 75.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.95 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 73.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 71.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 598.84 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 56.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 806.47 ms. Allocated memory is still 100.7 MB. Free memory was 56.2 MB in the beginning and 67.1 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 66.8 MB in the end (delta: 294.9 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: 125]: 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 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. 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}] [L119] float x = 1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [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}] [L121] float res = fmod_float(x, y); [L110] return x != x; VAL [one_fmod=1, Zero_fmod={6:0}] [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 675.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 101.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 82.0ms, 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=132occurred 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: 20.5ms SsaConstructionTime, 130.1ms SatisfiabilityAnalysisTime, 55.8ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 20:27:34,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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 20:27:36,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:27:36,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:27:36,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:27:36,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:27:36,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:27:36,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:27:36,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:27:36,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:27:36,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:27:36,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:27:36,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:27:36,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:27:36,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:27:36,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:27:36,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:27:36,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:27:36,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:27:36,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:27:36,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:27:36,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:27:36,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:27:36,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:27:36,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:27:36,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:27:36,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:27:36,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:27:36,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:27:36,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:27:36,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:27:36,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:27:36,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:27:36,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:27:36,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:27:36,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:27:36,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:27:36,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:27:36,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:27:36,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:27:36,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:27:36,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:27:36,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:27:37,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:27:37,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:27:37,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:27:37,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:27:37,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:27:37,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:27:37,036 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:27:37,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:27:37,037 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:27:37,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:27:37,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:27:37,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:27:37,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:27:37,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:27:37,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:27:37,040 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:27:37,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:27:37,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:27:37,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:27:37,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:27:37,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:27:37,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:27:37,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:27:37,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:27:37,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:27:37,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:27:37,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:27:37,042 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:27:37,043 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:27:37,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:27:37,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:27:37,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:27:37,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:27:37,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:27:37,044 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be [2021-10-15 20:27:37,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:27:37,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:27:37,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:27:37,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:27:37,537 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:27:37,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2021-10-15 20:27:37,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/a53068903/b4a89f5d4f844eb186d36b1fbead4786/FLAGa3fad7193 [2021-10-15 20:27:38,269 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:27:38,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2021-10-15 20:27:38,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/a53068903/b4a89f5d4f844eb186d36b1fbead4786/FLAGa3fad7193 [2021-10-15 20:27:38,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/data/a53068903/b4a89f5d4f844eb186d36b1fbead4786 [2021-10-15 20:27:38,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:27:38,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:27:38,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:38,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:27:38,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:27:38,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:38,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d8ef4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38, skipping insertion in model container [2021-10-15 20:27:38,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:38,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:27:38,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:27:38,870 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2021-10-15 20:27:38,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:38,905 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:27:38,956 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_c967fe59-73af-4ca2-b5e8-fce2115d1b31/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2021-10-15 20:27:38,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:38,983 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:27:38,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38 WrapperNode [2021-10-15 20:27:38,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:38,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:38,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:27:38,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:27:38,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:39,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:27:39,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:27:39,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:27:39,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:27:39,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:27:39,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:27:39,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:27:39,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:39,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:27:39,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:39,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:27:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 20:27:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:27:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:27:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 20:27:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:27:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:27:39,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:27:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 20:27:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:27:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:27:42,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:27:42,091 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-15 20:27:42,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:42 BoogieIcfgContainer [2021-10-15 20:27:42,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:27:42,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:27:42,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:27:42,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:27:42,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:27:38" (1/3) ... [2021-10-15 20:27:42,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675045fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:42, skipping insertion in model container [2021-10-15 20:27:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38" (2/3) ... [2021-10-15 20:27:42,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675045fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:42, skipping insertion in model container [2021-10-15 20:27:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:42" (3/3) ... [2021-10-15 20:27:42,106 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2021-10-15 20:27:42,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:27:42,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:27:42,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:27:42,185 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 20:27:42,185 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:27:42,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 70 transitions, 140 flow [2021-10-15 20:27:42,246 INFO L129 PetriNetUnfolder]: 29/70 cut-off events. [2021-10-15 20:27:42,247 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:27:42,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 70 events. 29/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 20:27:42,251 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 70 transitions, 140 flow [2021-10-15 20:27:42,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 66 transitions, 132 flow [2021-10-15 20:27:42,274 INFO L129 PetriNetUnfolder]: 11/29 cut-off events. [2021-10-15 20:27:42,275 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:27:42,275 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:27:42,276 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:42,276 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:27:42,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,285 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2021-10-15 20:27:42,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:27:42,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365909983] [2021-10-15 20:27:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,303 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:27:42,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:27:42,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:27:42,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 20:27:42,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:42,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:27:42,601 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 20:27:42,608 INFO L168 Benchmark]: Toolchain (without parser) took 4008.28 ms. Allocated memory is still 94.4 MB. Free memory was 60.1 MB in the beginning and 44.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,610 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:42,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.27 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 76.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.27 ms. Allocated memory is still 94.4 MB. Free memory was 76.6 MB in the beginning and 74.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,614 INFO L168 Benchmark]: Boogie Preprocessor took 47.79 ms. Allocated memory is still 94.4 MB. Free memory was 74.6 MB in the beginning and 72.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,615 INFO L168 Benchmark]: RCFGBuilder took 3004.15 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 56.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,621 INFO L168 Benchmark]: TraceAbstraction took 511.80 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 44.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:42,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.27 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 76.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.27 ms. Allocated memory is still 94.4 MB. Free memory was 76.6 MB in the beginning and 74.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.79 ms. Allocated memory is still 94.4 MB. Free memory was 74.6 MB in the beginning and 72.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3004.15 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 56.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 511.80 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 44.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. 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 20:27:42,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c967fe59-73af-4ca2-b5e8-fce2115d1b31/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...