./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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 252303dba3ff8877d6295758ad2d34c825c12399 ................................................................................................................................................................................................................................................................................................................................................................................... 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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 252303dba3ff8877d6295758ad2d34c825c12399 ............................................................................................................................................................................................................................................................................. 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 20:12:55,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:12:55,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:12:55,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:12:55,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:12:55,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:12:55,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:12:55,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:12:55,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:12:55,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:12:55,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:12:55,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:12:55,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:12:55,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:12:55,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:12:55,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:12:55,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:12:55,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:12:55,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:12:55,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:12:55,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:12:55,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:12:55,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:12:55,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:12:55,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:12:55,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:12:55,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:12:55,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:12:55,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:12:55,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:12:55,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:12:55,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:12:55,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:12:55,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:12:55,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:12:55,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:12:55,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:12:55,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:12:55,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:12:55,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:12:55,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:12:55,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:12:56,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:12:56,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:12:56,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:12:56,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:12:56,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:12:56,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:12:56,013 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:12:56,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:12:56,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:12:56,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:12:56,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:12:56,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:12:56,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:12:56,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:12:56,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:12:56,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:12:56,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:12:56,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:12:56,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:12:56,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:12:56,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:12:56,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:12:56,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:12:56,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:12:56,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:12:56,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:12:56,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:12:56,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:12:56,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:12:56,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:12:56,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:12:56,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:12:56,022 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252303dba3ff8877d6295758ad2d34c825c12399 [2021-10-15 20:12:56,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:12:56,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:12:56,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:12:56,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:12:56,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:12:56,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-10-15 20:12:56,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d6de04d53/24c78627faa54f90ad998e12750dfd16/FLAG3e0df4a67 [2021-10-15 20:12:57,115 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:12:57,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-10-15 20:12:57,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d6de04d53/24c78627faa54f90ad998e12750dfd16/FLAG3e0df4a67 [2021-10-15 20:12:57,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d6de04d53/24c78627faa54f90ad998e12750dfd16 [2021-10-15 20:12:57,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:12:57,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:12:57,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:12:57,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:12:57,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:12:57,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:12:57" (1/1) ... [2021-10-15 20:12:57,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5c58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:57, skipping insertion in model container [2021-10-15 20:12:57,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:12:57" (1/1) ... [2021-10-15 20:12:57,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:12:57,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:12:57,827 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-10-15 20:12:57,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:12:57,857 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:12:57,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-10-15 20:12:57,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:12:58,020 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:12:58,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58 WrapperNode [2021-10-15 20:12:58,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:12:58,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:12:58,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:12:58,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:12:58,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:12:58,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:12:58,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:12:58,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:12:58,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:12:58,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:12:58,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:12:58,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:12:58,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (1/1) ... [2021-10-15 20:12:58,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:12:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:12:58,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:12:58,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:12:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 20:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 20:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:12:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 20:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:13:00,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:13:00,084 INFO L299 CfgBuilder]: Removed 219 assume(true) statements. [2021-10-15 20:13:00,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:00 BoogieIcfgContainer [2021-10-15 20:13:00,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:13:00,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:13:00,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:13:00,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:13:00,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:12:57" (1/3) ... [2021-10-15 20:13:00,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eeddb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:13:00, skipping insertion in model container [2021-10-15 20:13:00,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:58" (2/3) ... [2021-10-15 20:13:00,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eeddb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:13:00, skipping insertion in model container [2021-10-15 20:13:00,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:00" (3/3) ... [2021-10-15 20:13:00,100 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0210.c [2021-10-15 20:13:00,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:13:00,106 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:13:00,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:13:00,195 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 20:13:00,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:13:00,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 696 transitions, 1392 flow [2021-10-15 20:13:00,371 INFO L129 PetriNetUnfolder]: 291/696 cut-off events. [2021-10-15 20:13:00,371 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:13:00,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 696 events. 291/696 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2323 event pairs, 0 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-10-15 20:13:00,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 696 transitions, 1392 flow [2021-10-15 20:13:00,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 692 transitions, 1384 flow [2021-10-15 20:13:00,420 INFO L129 PetriNetUnfolder]: 10/36 cut-off events. [2021-10-15 20:13:00,423 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:13:00,423 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:13:00,424 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:13:00,424 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:13:00,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:00,431 INFO L82 PathProgramCache]: Analyzing trace with hash 2087442571, now seen corresponding path program 1 times [2021-10-15 20:13:00,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:13:00,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093261714] [2021-10-15 20:13:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:13:00,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:13:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:13:00,674 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 20:13:00,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:13:00,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093261714] [2021-10-15 20:13:00,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093261714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:13:00,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:13:00,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:13:00,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937137775] [2021-10-15 20:13:00,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 20:13:00,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:13:00,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:13:00,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:13:00,710 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 696 [2021-10-15 20:13:00,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 692 transitions, 1384 flow. Second operand has 2 states, 2 states have (on average 534.5) internal successors, (1069), 2 states have internal predecessors, (1069), 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 20:13:00,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 20:13:00,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 696 [2021-10-15 20:13:00,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 20:13:00,820 INFO L129 PetriNetUnfolder]: 129/531 cut-off events. [2021-10-15 20:13:00,820 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:13:00,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 531 events. 129/531 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1926 event pairs, 0 based on Foata normal form. 161/563 useless extension candidates. Maximal degree in co-relation 531. Up to 8 conditions per place. [2021-10-15 20:13:00,830 INFO L132 encePairwiseOnDemand]: 535/696 looper letters, 0 selfloop transitions, 0 changer transitions 0/531 dead transitions. [2021-10-15 20:13:00,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 531 transitions, 1062 flow [2021-10-15 20:13:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:13:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 20:13:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1229 transitions. [2021-10-15 20:13:00,857 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8829022988505747 [2021-10-15 20:13:00,858 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1229 transitions. [2021-10-15 20:13:00,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1229 transitions. [2021-10-15 20:13:00,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:13:00,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1229 transitions. [2021-10-15 20:13:00,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 614.5) internal successors, (1229), 2 states have internal predecessors, (1229), 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 20:13:00,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 696.0) internal successors, (2088), 3 states have internal predecessors, (2088), 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 20:13:00,889 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 696.0) internal successors, (2088), 3 states have internal predecessors, (2088), 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 20:13:00,891 INFO L186 Difference]: Start difference. First operand has 403 places, 692 transitions, 1384 flow. Second operand 2 states and 1229 transitions. [2021-10-15 20:13:00,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 531 transitions, 1062 flow [2021-10-15 20:13:00,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 531 transitions, 1062 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 20:13:00,920 INFO L242 Difference]: Finished difference. Result has 404 places, 531 transitions, 1062 flow [2021-10-15 20:13:00,923 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=696, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1062, PETRI_PLACES=404, PETRI_TRANSITIONS=531} [2021-10-15 20:13:00,924 INFO L334 CegarLoopForPetriNet]: 403 programPoint places, 1 predicate places. [2021-10-15 20:13:00,925 INFO L470 AbstractCegarLoop]: Abstraction has has 404 places, 531 transitions, 1062 flow [2021-10-15 20:13:00,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 534.5) internal successors, (1069), 2 states have internal predecessors, (1069), 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 20:13:00,927 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:13:00,927 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:13:00,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 20:13:00,928 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:13:00,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:00,928 INFO L82 PathProgramCache]: Analyzing trace with hash -247864626, now seen corresponding path program 1 times [2021-10-15 20:13:00,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:13:00,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386882372] [2021-10-15 20:13:00,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:13:00,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:13:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:01,127 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:13:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:01,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:13:01,304 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 20:13:01,307 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 20:13:01,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 20:13:01,316 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:13:01,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:13:01 BoogieIcfgContainer [2021-10-15 20:13:01,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:13:01,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:13:01,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:13:01,413 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:13:01,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:00" (3/4) ... [2021-10-15 20:13:01,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:13:01,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:13:01,430 INFO L168 Benchmark]: Toolchain (without parser) took 4034.95 ms. Allocated memory was 100.7 MB in the beginning and 180.4 MB in the end (delta: 79.7 MB). Free memory was 58.0 MB in the beginning and 121.8 MB in the end (delta: -63.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:01,430 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:01,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.91 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 59.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:01,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.01 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 49.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:01,432 INFO L168 Benchmark]: Boogie Preprocessor took 229.59 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 40.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:01,433 INFO L168 Benchmark]: RCFGBuilder took 1693.83 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 40.3 MB in the beginning and 51.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:01,434 INFO L168 Benchmark]: TraceAbstraction took 1317.84 ms. Allocated memory was 121.6 MB in the beginning and 180.4 MB in the end (delta: 58.7 MB). Free memory was 50.7 MB in the beginning and 121.8 MB in the end (delta: -71.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:01,435 INFO L168 Benchmark]: Witness Printer took 9.78 ms. Allocated memory is still 180.4 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:01,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.91 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 59.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.01 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 49.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 229.59 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 40.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1693.83 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 40.3 MB in the beginning and 51.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1317.84 ms. Allocated memory was 121.6 MB in the beginning and 180.4 MB in the end (delta: 58.7 MB). Free memory was 50.7 MB in the beginning and 121.8 MB in the end (delta: -71.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 9.78 ms. Allocated memory is still 180.4 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 639]: 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 528, overapproximation of someBinaryArithmeticDOUBLEoperation at line 612, overapproximation of bitwiseAnd at line 608, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L105-L107] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L176] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L178-L183] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185-L187] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L375-L382] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L384-L393] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L526-L532] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L570-L576] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L634] double x = 0.0 / 0.0; [L601] double y[2], z = 0.0; [L602] __int32_t n, ix; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L604] ieee_double_shape_type gh_u; [L605] gh_u.value = (x) [L606] EXPR gh_u.parts.msw [L606] (ix) = gh_u.parts.msw [L608] ix &= 0x7fffffff VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L609] COND FALSE !(ix <= 0x3fe921fb) VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L611] COND TRUE ix >= 0x7ff00000 [L612] return x - x; [L612] return x - x; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L635] double res = sin_double(x); [L82] return x != x; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L638] COND TRUE !isnan_double(res) [L639] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={13:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={10:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={9:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 406 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1136.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 224.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 221.0ms, 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=1384occurred 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: 25.2ms SsaConstructionTime, 246.7ms SatisfiabilityAnalysisTime, 87.0ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 20:13:01,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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 20:13:04,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:13:04,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:13:04,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-15 20:13:04,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:13:04,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:13:04,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:13:04,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:13:04,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:13:04,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:13:04,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:13:04,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:13:04,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:13:04,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:13:04,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:13:04,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:13:04,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:13:04,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:13:04,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:13:04,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:13:04,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:13:04,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:13:04,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:13:04,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:13:04,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:13:04,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:13:04,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:13:04,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:13:04,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:13:04,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:13:04,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:13:04,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:13:04,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:13:04,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:13:04,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:13:04,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:13:04,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:13:04,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:13:04,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:13:04,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:13:04,455 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:13:04,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:13:04,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:13:04,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:13:04,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:13:04,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:13:04,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:13:04,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:13:04,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:13:04,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:13:04,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:13:04,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:13:04,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:13:04,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:13:04,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:13:04,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:13:04,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:13:04,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:13:04,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:13:04,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:13:04,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:13:04,460 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:13:04,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:13:04,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:13:04,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:13:04,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:13:04,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:13:04,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:13:04,467 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252303dba3ff8877d6295758ad2d34c825c12399 [2021-10-15 20:13:04,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:13:04,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:13:04,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:13:04,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:13:04,960 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:13:04,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-10-15 20:13:05,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d18a4fb83/bb93ccf5a6cb44e29f58b5074864b703/FLAGd29371c7a [2021-10-15 20:13:05,760 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:13:05,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-10-15 20:13:05,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d18a4fb83/bb93ccf5a6cb44e29f58b5074864b703/FLAGd29371c7a [2021-10-15 20:13:05,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/data/d18a4fb83/bb93ccf5a6cb44e29f58b5074864b703 [2021-10-15 20:13:05,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:13:05,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:13:05,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:13:05,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:13:05,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:13:05,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:13:05" (1/1) ... [2021-10-15 20:13:05,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5528e4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:05, skipping insertion in model container [2021-10-15 20:13:05,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:13:05" (1/1) ... [2021-10-15 20:13:06,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:13:06,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:13:06,486 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-10-15 20:13:06,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:13:06,522 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:13:06,698 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_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-10-15 20:13:06,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:13:06,786 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:13:06,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06 WrapperNode [2021-10-15 20:13:06,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:13:06,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:13:06,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:13:06,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:13:06,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:06,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:06,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:13:06,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:13:06,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:13:06,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:13:06,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:06,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:06,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:06,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:07,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:07,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:07,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:07,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:13:07,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:13:07,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:13:07,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:13:07,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (1/1) ... [2021-10-15 20:13:07,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:13:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:07,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:07,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:13:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 20:13:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-15 20:13:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:13:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 20:13:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:13:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 20:13:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:13:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:13:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:13:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:13:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:14:38,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:14:38,854 INFO L299 CfgBuilder]: Removed 219 assume(true) statements. [2021-10-15 20:14:38,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:14:38 BoogieIcfgContainer [2021-10-15 20:14:38,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:14:38,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:14:38,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:14:38,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:14:38,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:13:05" (1/3) ... [2021-10-15 20:14:38,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3960b015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:14:38, skipping insertion in model container [2021-10-15 20:14:38,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:06" (2/3) ... [2021-10-15 20:14:38,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3960b015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:14:38, skipping insertion in model container [2021-10-15 20:14:38,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:14:38" (3/3) ... [2021-10-15 20:14:38,871 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0210.c [2021-10-15 20:14:38,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:14:38,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:14:38,944 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:14:38,950 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 20:14:38,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:14:38,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 696 transitions, 1392 flow [2021-10-15 20:14:39,129 INFO L129 PetriNetUnfolder]: 291/696 cut-off events. [2021-10-15 20:14:39,129 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:14:39,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 696 events. 291/696 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2323 event pairs, 0 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-10-15 20:14:39,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 696 transitions, 1392 flow [2021-10-15 20:14:39,147 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 692 transitions, 1384 flow [2021-10-15 20:14:39,151 INFO L129 PetriNetUnfolder]: 10/36 cut-off events. [2021-10-15 20:14:39,152 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:14:39,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:14:39,153 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:39,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:14:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:39,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2087442571, now seen corresponding path program 1 times [2021-10-15 20:14:39,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:39,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242298826] [2021-10-15 20:14:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:39,176 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:39,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 20:14:39,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:14:39,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:14:39,552 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 20:14:39,558 INFO L168 Benchmark]: Toolchain (without parser) took 93569.95 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 56.7 MB in the beginning and 55.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,559 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 57.9 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:14:39,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.79 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 47.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.82 ms. Allocated memory is still 77.6 MB. Free memory was 47.7 MB in the beginning and 38.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,565 INFO L168 Benchmark]: Boogie Preprocessor took 227.22 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 51.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,566 INFO L168 Benchmark]: RCFGBuilder took 91673.89 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 51.6 MB in the beginning and 52.3 MB in the end (delta: -694.7 kB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,567 INFO L168 Benchmark]: TraceAbstraction took 697.30 ms. Allocated memory is still 104.9 MB. Free memory was 51.7 MB in the beginning and 55.2 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:14:39,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 57.9 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 805.79 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 47.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.82 ms. Allocated memory is still 77.6 MB. Free memory was 47.7 MB in the beginning and 38.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 227.22 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 51.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 91673.89 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 51.6 MB in the beginning and 52.3 MB in the end (delta: -694.7 kB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 697.30 ms. Allocated memory is still 104.9 MB. Free memory was 51.7 MB in the beginning and 55.2 MB in the end (delta: -3.5 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 20:14:39,791 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-15 20:14:39,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9fadf17-bf53-42e1-aae3-97f43b26fb5d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...