./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a.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_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/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_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/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_ff214c28-610f-43e1-949f-8615f8efbf0e/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 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 ................................................................................................................................................................................................................................................................................................................................................... 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_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/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_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/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_ff214c28-610f-43e1-949f-8615f8efbf0e/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 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 ............................................................................................................................................................................................................................................................................ 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 19:20:39,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:20:39,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:20:39,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:20:39,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:20:39,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:20:39,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:20:39,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:20:39,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:20:39,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:20:39,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:20:39,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:20:39,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:20:39,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:20:39,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:20:39,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:20:39,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:20:39,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:20:39,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:20:39,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:20:39,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:20:39,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:20:39,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:20:39,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:20:39,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:20:39,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:20:39,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:20:39,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:20:39,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:20:39,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:20:39,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:20:39,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:20:39,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:20:39,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:20:39,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:20:39,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:20:39,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:20:39,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:20:39,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:20:39,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:20:39,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:20:39,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:20:39,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:20:39,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:20:39,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:20:39,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:20:39,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:20:39,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:20:39,883 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:20:39,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:20:39,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:20:39,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:20:39,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:20:39,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:20:39,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:20:39,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:20:39,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:20:39,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:20:39,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:20:39,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:20:39,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:20:39,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:20:39,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:20:39,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:20:39,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:20:39,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:20:39,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:20:39,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:20:39,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:20:39,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:20:39,891 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:20:39,891 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:20:39,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:20:39,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:20:39,892 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_ff214c28-610f-43e1-949f-8615f8efbf0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 [2021-10-15 19:20:40,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:20:40,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:20:40,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:20:40,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:20:40,268 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:20:40,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0621a.c [2021-10-15 19:20:40,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/970898931/43dace5097184c0482084d8509ed2504/FLAG42a8da02e [2021-10-15 19:20:41,058 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:20:41,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c [2021-10-15 19:20:41,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/970898931/43dace5097184c0482084d8509ed2504/FLAG42a8da02e [2021-10-15 19:20:41,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/970898931/43dace5097184c0482084d8509ed2504 [2021-10-15 19:20:41,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:20:41,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:20:41,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:20:41,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:20:41,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:20:41,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788152a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41, skipping insertion in model container [2021-10-15 19:20:41,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:20:41,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:20:41,731 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_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c[3711,3724] [2021-10-15 19:20:41,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:20:41,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:20:41,794 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_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c[3711,3724] [2021-10-15 19:20:41,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:20:41,816 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:20:41,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41 WrapperNode [2021-10-15 19:20:41,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:20:41,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:20:41,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:20:41,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:20:41,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:20:41,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:20:41,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:20:41,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:20:41,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:20:41,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:20:41,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:20:41,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:20:41,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (1/1) ... [2021-10-15 19:20:41,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:20:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:42,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:42,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:20:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:20:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:20:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:20:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:20:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:20:42,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:20:42,573 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-15 19:20:42,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:20:42 BoogieIcfgContainer [2021-10-15 19:20:42,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:20:42,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:20:42,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:20:42,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:20:42,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:20:41" (1/3) ... [2021-10-15 19:20:42,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db179f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:20:42, skipping insertion in model container [2021-10-15 19:20:42,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:41" (2/3) ... [2021-10-15 19:20:42,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db179f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:20:42, skipping insertion in model container [2021-10-15 19:20:42,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:20:42" (3/3) ... [2021-10-15 19:20:42,592 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a.c [2021-10-15 19:20:42,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:20:42,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:20:42,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:20:42,676 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 19:20:42,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:20:42,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 53 transitions, 106 flow [2021-10-15 19:20:42,769 INFO L129 PetriNetUnfolder]: 20/53 cut-off events. [2021-10-15 19:20:42,769 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:20:42,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 53 events. 20/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 99 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:20:42,772 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 53 transitions, 106 flow [2021-10-15 19:20:42,778 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 49 transitions, 98 flow [2021-10-15 19:20:42,787 INFO L129 PetriNetUnfolder]: 14/40 cut-off events. [2021-10-15 19:20:42,787 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:20:42,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:20:42,788 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:20:42,789 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:20:42,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:42,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1035664421, now seen corresponding path program 1 times [2021-10-15 19:20:42,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:20:42,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802123339] [2021-10-15 19:20:42,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:20:42,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:20:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:42,998 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 19:20:42,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:20:42,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802123339] [2021-10-15 19:20:43,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802123339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:20:43,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:20:43,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:20:43,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742681216] [2021-10-15 19:20:43,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:20:43,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:20:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:20:43,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:20:43,036 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 53 [2021-10-15 19:20:43,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 49 transitions, 98 flow. Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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 19:20:43,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:20:43,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 53 [2021-10-15 19:20:43,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:20:43,065 INFO L129 PetriNetUnfolder]: 11/41 cut-off events. [2021-10-15 19:20:43,065 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:20:43,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 41 events. 11/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 8/38 useless extension candidates. Maximal degree in co-relation 41. Up to 6 conditions per place. [2021-10-15 19:20:43,069 INFO L132 encePairwiseOnDemand]: 45/53 looper letters, 0 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2021-10-15 19:20:43,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 82 flow [2021-10-15 19:20:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:20:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:20:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 96 transitions. [2021-10-15 19:20:43,083 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9056603773584906 [2021-10-15 19:20:43,085 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 96 transitions. [2021-10-15 19:20:43,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 96 transitions. [2021-10-15 19:20:43,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:20:43,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 96 transitions. [2021-10-15 19:20:43,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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 19:20:43,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 19:20:43,102 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 19:20:43,104 INFO L186 Difference]: Start difference. First operand has 31 places, 49 transitions, 98 flow. Second operand 2 states and 96 transitions. [2021-10-15 19:20:43,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 82 flow [2021-10-15 19:20:43,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 41 transitions, 82 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:20:43,113 INFO L242 Difference]: Finished difference. Result has 32 places, 41 transitions, 82 flow [2021-10-15 19:20:43,115 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=82, PETRI_PLACES=32, PETRI_TRANSITIONS=41} [2021-10-15 19:20:43,116 INFO L334 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2021-10-15 19:20:43,117 INFO L470 AbstractCegarLoop]: Abstraction has has 32 places, 41 transitions, 82 flow [2021-10-15 19:20:43,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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 19:20:43,118 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:20:43,118 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:20:43,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:20:43,119 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:20:43,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:43,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1843594333, now seen corresponding path program 1 times [2021-10-15 19:20:43,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:20:43,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908650057] [2021-10-15 19:20:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:20:43,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:20:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:43,279 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:20:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:43,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:20:43,458 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:20:43,460 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:20:43,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:20:43,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:20:43,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:20:43 BoogieIcfgContainer [2021-10-15 19:20:43,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:20:43,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:20:43,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:20:43,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:20:43,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:20:42" (3/4) ... [2021-10-15 19:20:43,554 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:20:43,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:20:43,557 INFO L168 Benchmark]: Toolchain (without parser) took 2149.20 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.5 MB in the beginning and 48.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:43,558 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 57.6 MB in the beginning and 57.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:43,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.46 ms. Allocated memory is still 81.8 MB. Free memory was 60.2 MB in the beginning and 55.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:43,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 81.8 MB. Free memory was 55.2 MB in the beginning and 53.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:43,569 INFO L168 Benchmark]: Boogie Preprocessor took 71.50 ms. Allocated memory is still 81.8 MB. Free memory was 53.1 MB in the beginning and 51.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:43,571 INFO L168 Benchmark]: RCFGBuilder took 618.67 ms. Allocated memory is still 81.8 MB. Free memory was 51.3 MB in the beginning and 36.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:43,572 INFO L168 Benchmark]: TraceAbstraction took 966.64 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 48.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:43,575 INFO L168 Benchmark]: Witness Printer took 5.25 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 48.2 MB in the end (delta: 591.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:43,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 57.6 MB in the beginning and 57.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.46 ms. Allocated memory is still 81.8 MB. Free memory was 60.2 MB in the beginning and 55.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 81.8 MB. Free memory was 55.2 MB in the beginning and 53.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.50 ms. Allocated memory is still 81.8 MB. Free memory was 53.1 MB in the beginning and 51.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 618.67 ms. Allocated memory is still 81.8 MB. Free memory was 51.3 MB in the beginning and 36.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 966.64 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 48.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.25 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 48.2 MB in the end (delta: 591.1 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: 147]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of bitwiseAnd at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 146. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L143] double x = 1.0 / 0.0; [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (hx) = gh_u.parts.msw [L75] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L76] COND TRUE ix >= 0x44100000 [L77] __uint32_t low; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L79] ieee_double_shape_type gl_u; [L80] gl_u.value = (x) [L81] EXPR gl_u.parts.lsw [L81] (low) = gl_u.parts.lsw [L83] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L84] return x + x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L144] double res = atan_double(x); [L146] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L147] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 815.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 92.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 100.2ms, 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=98occurred 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: 23.5ms SsaConstructionTime, 169.5ms SatisfiabilityAnalysisTime, 59.1ms 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 19:20:43,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/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 19:20:46,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:20:46,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:20:46,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:20:46,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:20:46,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:20:46,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:20:46,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:20:46,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:20:46,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:20:46,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:20:46,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:20:46,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:20:46,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:20:46,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:20:46,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:20:46,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:20:46,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:20:46,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:20:46,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:20:46,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:20:46,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:20:46,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:20:46,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:20:46,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:20:46,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:20:46,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:20:46,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:20:46,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:20:46,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:20:46,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:20:46,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:20:46,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:20:46,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:20:46,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:20:46,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:20:46,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:20:46,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:20:46,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:20:46,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:20:46,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:20:46,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:20:46,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:20:46,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:20:46,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:20:46,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:20:46,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:20:46,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:20:46,892 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:20:46,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:20:46,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:20:46,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:20:46,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:20:46,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:20:46,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:20:46,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:20:46,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:20:46,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:20:46,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:20:46,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:20:46,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:20:46,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:20:46,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:20:46,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:20:46,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:20:46,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:20:46,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:20:46,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:20:46,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:20:46,898 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:20:46,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:20:46,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:20:46,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:20:46,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:20:46,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:20:46,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:20:46,901 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_ff214c28-610f-43e1-949f-8615f8efbf0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 [2021-10-15 19:20:47,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:20:47,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:20:47,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:20:47,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:20:47,405 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:20:47,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0621a.c [2021-10-15 19:20:47,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/499a73049/82165a10867445329d5f691cff47615a/FLAGad0e8ab97 [2021-10-15 19:20:48,231 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:20:48,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c [2021-10-15 19:20:48,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/499a73049/82165a10867445329d5f691cff47615a/FLAGad0e8ab97 [2021-10-15 19:20:48,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/data/499a73049/82165a10867445329d5f691cff47615a [2021-10-15 19:20:48,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:20:48,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:20:48,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:20:48,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:20:48,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:20:48,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:48,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62087efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48, skipping insertion in model container [2021-10-15 19:20:48,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:48,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:20:48,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:20:48,854 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_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c[3711,3724] [2021-10-15 19:20:48,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:20:48,872 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:20:48,926 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_ff214c28-610f-43e1-949f-8615f8efbf0e/sv-benchmarks/c/float-newlib/double_req_bl_0621a.c[3711,3724] [2021-10-15 19:20:48,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:20:48,973 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:20:48,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48 WrapperNode [2021-10-15 19:20:48,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:20:48,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:20:48,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:20:48,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:20:48,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:20:49,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:20:49,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:20:49,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:20:49,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:20:49,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:20:49,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:20:49,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:20:49,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (1/1) ... [2021-10-15 19:20:49,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:20:49,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:49,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:49,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:20:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 19:20:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-15 19:20:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:20:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:20:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 19:20:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:20:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:20:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:20:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:20:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:21:06,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:21:06,600 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-15 19:21:06,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:21:06 BoogieIcfgContainer [2021-10-15 19:21:06,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:21:06,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:21:06,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:21:06,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:21:06,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:20:48" (1/3) ... [2021-10-15 19:21:06,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc777eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:21:06, skipping insertion in model container [2021-10-15 19:21:06,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:20:48" (2/3) ... [2021-10-15 19:21:06,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc777eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:21:06, skipping insertion in model container [2021-10-15 19:21:06,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:21:06" (3/3) ... [2021-10-15 19:21:06,613 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a.c [2021-10-15 19:21:06,620 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:21:06,620 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:21:06,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:21:06,687 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 19:21:06,687 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:21:06,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 53 transitions, 106 flow [2021-10-15 19:21:06,745 INFO L129 PetriNetUnfolder]: 20/53 cut-off events. [2021-10-15 19:21:06,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:21:06,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 53 events. 20/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 99 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-15 19:21:06,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 53 transitions, 106 flow [2021-10-15 19:21:06,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 49 transitions, 98 flow [2021-10-15 19:21:06,759 INFO L129 PetriNetUnfolder]: 14/40 cut-off events. [2021-10-15 19:21:06,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:21:06,760 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:21:06,761 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:21:06,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:21:06,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:21:06,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1035664421, now seen corresponding path program 1 times [2021-10-15 19:21:06,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:21:06,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503154924] [2021-10-15 19:21:06,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:21:06,782 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:21:06,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:21:06,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:21:06,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:21:06,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:21:07,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:21:07,081 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 19:21:07,087 INFO L168 Benchmark]: Toolchain (without parser) took 18513.76 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 41.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:21:07,087 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:21:07,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.39 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.9 MB in the beginning and 47.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:21:07,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.54 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.7 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:21:07,090 INFO L168 Benchmark]: Boogie Preprocessor took 94.84 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:21:07,091 INFO L168 Benchmark]: RCFGBuilder took 17435.82 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 37.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:21:07,091 INFO L168 Benchmark]: TraceAbstraction took 479.61 ms. Allocated memory is still 67.1 MB. Free memory was 37.0 MB in the beginning and 41.8 MB in the end (delta: -4.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:21:07,095 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 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.39 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.9 MB in the beginning and 47.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.54 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.7 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.84 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17435.82 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 37.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 479.61 ms. Allocated memory is still 67.1 MB. Free memory was 37.0 MB in the beginning and 41.8 MB in the end (delta: -4.8 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 19:21:07,311 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-15 19:21:07,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff214c28-610f-43e1-949f-8615f8efbf0e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...