./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be --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 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 ................................................................................................................................................................................................................................................................................................................................................. 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be --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 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:15:23,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:15:23,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:15:23,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:15:23,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:15:23,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:15:23,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:15:23,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:15:23,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:15:23,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:15:23,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:15:23,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:15:23,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:15:23,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:15:23,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:15:23,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:15:23,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:15:23,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:15:23,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:15:23,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:15:23,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:15:23,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:15:23,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:15:23,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:15:23,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:15:23,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:15:23,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:15:23,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:15:23,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:15:23,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:15:23,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:15:23,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:15:23,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:15:23,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:15:23,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:15:23,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:15:23,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:15:23,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:15:23,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:15:23,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:15:23,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:15:23,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:15:23,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:15:23,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:15:23,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:15:23,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:15:23,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:15:23,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:15:23,934 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:15:23,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:15:23,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:15:23,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:15:23,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:15:23,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:15:23,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:15:23,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:15:23,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:15:23,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:15:23,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:15:23,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:15:23,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:15:23,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:15:23,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:15:23,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:15:23,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:15:23,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:15:23,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:15:23,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:15:23,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:15:23,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:15:23,940 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:15:23,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:15:23,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:15:23,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:15:23,941 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2021-10-21 19:15:24,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:15:24,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:15:24,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:15:24,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:15:24,266 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:15:24,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-10-21 19:15:24,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/a2e0248ee/010c84410ac04f839f1061a4460a3c92/FLAGac9f394e1 [2021-10-21 19:15:24,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:15:24,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-10-21 19:15:24,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/a2e0248ee/010c84410ac04f839f1061a4460a3c92/FLAGac9f394e1 [2021-10-21 19:15:25,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/a2e0248ee/010c84410ac04f839f1061a4460a3c92 [2021-10-21 19:15:25,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:15:25,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:15:25,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:25,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:15:25,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:15:25,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb0c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25, skipping insertion in model container [2021-10-21 19:15:25,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:15:25,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:15:25,549 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2021-10-21 19:15:25,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:25,562 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:15:25,651 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2021-10-21 19:15:25,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:25,680 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:15:25,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25 WrapperNode [2021-10-21 19:15:25,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:25,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:25,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:15:25,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:15:25,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:25,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:15:25,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:15:25,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:15:25,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:15:25,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:15:25,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:15:25,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:15:25,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (1/1) ... [2021-10-21 19:15:25,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:15:25,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:25,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:25,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 19:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 19:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:15:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:15:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-21 19:15:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:15:26,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:15:26,789 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-10-21 19:15:26,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:26 BoogieIcfgContainer [2021-10-21 19:15:26,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:15:26,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:15:26,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:15:26,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:15:26,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:15:25" (1/3) ... [2021-10-21 19:15:26,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dca073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:15:26, skipping insertion in model container [2021-10-21 19:15:26,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:25" (2/3) ... [2021-10-21 19:15:26,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dca073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:15:26, skipping insertion in model container [2021-10-21 19:15:26,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:26" (3/3) ... [2021-10-21 19:15:26,804 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2021-10-21 19:15:26,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:15:26,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:15:26,868 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:15:26,875 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, mAutomataTypeConcurrency=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 [2021-10-21 19:15:26,875 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:15:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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) [2021-10-21 19:15:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:15:26,901 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:26,902 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:26,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:26,909 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2021-10-21 19:15:26,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:26,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607164960] [2021-10-21 19:15:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:26,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:15:27,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:27,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607164960] [2021-10-21 19:15:27,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607164960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:27,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:27,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:15:27,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71520601] [2021-10-21 19:15:27,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:15:27,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:27,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:15:27,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:15:27,145 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-21 19:15:27,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:27,175 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2021-10-21 19:15:27,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:15:27,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) Word has length 14 [2021-10-21 19:15:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:27,187 INFO L225 Difference]: With dead ends: 232 [2021-10-21 19:15:27,187 INFO L226 Difference]: Without dead ends: 115 [2021-10-21 19:15:27,190 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:15:27,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-21 19:15:27,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-21 19:15:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 114 states have internal predecessors, (164), 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) [2021-10-21 19:15:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-10-21 19:15:27,241 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2021-10-21 19:15:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:27,241 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-10-21 19:15:27,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-21 19:15:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-10-21 19:15:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:15:27,243 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:27,243 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:27,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:15:27,243 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:27,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:27,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2021-10-21 19:15:27,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:27,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662150191] [2021-10-21 19:15:27,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:27,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:27,338 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:15:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:27,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:15:27,465 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:15:27,467 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:15:27,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:15:27,476 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:15:27,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:15:27 BoogieIcfgContainer [2021-10-21 19:15:27,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:15:27,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:15:27,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:15:27,545 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:15:27,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:26" (3/4) ... [2021-10-21 19:15:27,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:15:27,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:15:27,555 INFO L168 Benchmark]: Toolchain (without parser) took 2328.27 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.3 MB in the beginning and 80.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,556 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:27,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.44 ms. Allocated memory is still 94.4 MB. Free memory was 60.9 MB in the beginning and 64.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.56 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 61.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,565 INFO L168 Benchmark]: Boogie Preprocessor took 109.06 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 57.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,566 INFO L168 Benchmark]: RCFGBuilder took 894.12 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 57.8 MB in the beginning and 86.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,566 INFO L168 Benchmark]: TraceAbstraction took 748.35 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 80.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:27,567 INFO L168 Benchmark]: Witness Printer took 7.75 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 80.3 MB in the end (delta: 236.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:27,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.44 ms. Allocated memory is still 94.4 MB. Free memory was 60.9 MB in the beginning and 64.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.56 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 61.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.06 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 57.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 894.12 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 57.8 MB in the beginning and 86.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 748.35 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 80.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.75 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 80.3 MB in the end (delta: 236.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 264]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 247. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double x = __VERIFIER_nondet_double(); [L256] double y = __VERIFIER_nondet_double(); [L247] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] isnan_double(x) || isnan_double(y) VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] COND TRUE isnan_double(x) || isnan_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] double res = __ieee754_atan2(y, x); [L247] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L263] COND TRUE !isnan_double(res) [L264] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 609.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.7ms, AutomataDifference: 60.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 169 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=119occurred 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: 36.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.4ms SsaConstructionTime, 141.3ms SatisfiabilityAnalysisTime, 68.5ms InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2021-10-21 19:15:27,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/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-e943c26 [2021-10-21 19:15:30,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:15:30,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:15:30,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:15:30,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:15:30,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:15:30,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:15:30,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:15:30,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:15:30,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:15:30,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:15:30,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:15:30,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:15:30,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:15:30,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:15:30,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:15:30,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:15:30,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:15:30,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:15:30,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:15:30,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:15:30,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:15:30,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:15:30,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:15:30,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:15:30,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:15:30,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:15:30,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:15:30,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:15:30,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:15:30,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:15:30,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:15:30,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:15:30,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:15:30,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:15:30,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:15:30,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:15:30,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:15:30,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:15:30,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:15:30,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:15:30,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:15:30,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:15:30,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:15:30,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:15:30,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:15:30,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:15:30,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:15:30,346 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:15:30,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:15:30,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:15:30,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:15:30,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:15:30,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:15:30,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:15:30,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:15:30,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:15:30,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:15:30,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:15:30,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:15:30,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:15:30,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:15:30,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:15:30,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:15:30,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:15:30,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:15:30,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:15:30,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:15:30,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:15:30,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:15:30,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:15:30,352 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:15:30,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:15:30,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:15:30,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:15:30,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:15:30,353 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2021-10-21 19:15:30,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:15:30,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:15:30,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:15:30,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:15:30,790 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:15:30,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-10-21 19:15:30,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/acfe92f86/86b4038c8baa407daaf30c889e4ee56a/FLAG82274e6f4 [2021-10-21 19:15:31,592 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:15:31,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2021-10-21 19:15:31,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/acfe92f86/86b4038c8baa407daaf30c889e4ee56a/FLAG82274e6f4 [2021-10-21 19:15:31,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/data/acfe92f86/86b4038c8baa407daaf30c889e4ee56a [2021-10-21 19:15:31,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:15:31,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:15:31,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:31,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:15:31,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:15:31,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:31" (1/1) ... [2021-10-21 19:15:31,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385d2b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:31, skipping insertion in model container [2021-10-21 19:15:31,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:31" (1/1) ... [2021-10-21 19:15:31,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:15:32,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:15:32,297 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_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2021-10-21 19:15:32,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:32,345 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:15:32,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2021-10-21 19:15:32,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:32,477 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:15:32,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32 WrapperNode [2021-10-21 19:15:32,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:32,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:32,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:15:32,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:15:32,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:32,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:15:32,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:15:32,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:15:32,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:15:32,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:15:32,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:15:32,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:15:32,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:15:32,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:32,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:32,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:15:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-21 19:15:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-21 19:15:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:15:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:15:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-21 19:15:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:15:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:15:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:15:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:15:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:16:09,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:16:09,402 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-10-21 19:16:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:09 BoogieIcfgContainer [2021-10-21 19:16:09,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:16:09,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:16:09,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:16:09,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:16:09,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:15:31" (1/3) ... [2021-10-21 19:16:09,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51622e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:16:09, skipping insertion in model container [2021-10-21 19:16:09,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (2/3) ... [2021-10-21 19:16:09,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51622e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:16:09, skipping insertion in model container [2021-10-21 19:16:09,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:09" (3/3) ... [2021-10-21 19:16:09,414 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2021-10-21 19:16:09,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:16:09,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:16:09,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:16:09,481 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, mAutomataTypeConcurrency=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 [2021-10-21 19:16:09,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:16:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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) [2021-10-21 19:16:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:16:09,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:09,504 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:09,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:09,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:09,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2021-10-21 19:16:09,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:16:09,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890782326] [2021-10-21 19:16:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:09,523 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:16:09,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:16:09,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:16:09,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:16:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 19:16:09,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:16:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:16:10,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:16:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:16:10,441 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:16:10,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890782326] [2021-10-21 19:16:10,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1890782326] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:10,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:10,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:16:10,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74393593] [2021-10-21 19:16:10,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:16:10,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:16:10,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:16:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:16:10,466 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.6923076923076923) internal successors, (198), 118 states have internal predecessors, (198), 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) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-21 19:16:10,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:10,494 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2021-10-21 19:16:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:16:10,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) Word has length 14 [2021-10-21 19:16:10,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:10,506 INFO L225 Difference]: With dead ends: 232 [2021-10-21 19:16:10,506 INFO L226 Difference]: Without dead ends: 115 [2021-10-21 19:16:10,509 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:16:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-21 19:16:10,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-21 19:16:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 114 states have internal predecessors, (164), 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) [2021-10-21 19:16:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-10-21 19:16:10,550 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2021-10-21 19:16:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:10,551 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-10-21 19:16:10,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-10-21 19:16:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-10-21 19:16:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:16:10,552 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:10,553 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:10,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:16:10,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:16:10,766 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:10,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:10,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2021-10-21 19:16:10,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:16:10,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627191165] [2021-10-21 19:16:10,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:10,768 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:16:10,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:16:10,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:16:10,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:16:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:16:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:16:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:16:17,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:16:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:16:41,786 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:16:41,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627191165] [2021-10-21 19:16:41,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627191165] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:41,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:41,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-10-21 19:16:41,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409814207] [2021-10-21 19:16:41,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:16:41,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:16:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:16:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:16:41,791 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-10-21 19:20:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:59,067 INFO L93 Difference]: Finished difference Result 195 states and 278 transitions. [2021-10-21 19:20:59,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:20:59,315 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) Word has length 16 [2021-10-21 19:20:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:59,319 INFO L225 Difference]: With dead ends: 195 [2021-10-21 19:20:59,319 INFO L226 Difference]: Without dead ends: 190 [2021-10-21 19:20:59,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 33142.1ms TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2021-10-21 19:20:59,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-21 19:20:59,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 123. [2021-10-21 19:20:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.4098360655737705) internal successors, (172), 122 states have internal predecessors, (172), 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) [2021-10-21 19:20:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2021-10-21 19:20:59,338 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2021-10-21 19:20:59,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:59,339 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2021-10-21 19:20:59,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-10-21 19:20:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2021-10-21 19:20:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:20:59,341 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:59,341 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:20:59,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-21 19:20:59,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:59,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:20:59,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:59,555 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2021-10-21 19:20:59,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:59,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354335898] [2021-10-21 19:20:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:59,556 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:59,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:59,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:20:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:21:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:21:00,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:21:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:21:06,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:21:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:21:27,351 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:21:27,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354335898] [2021-10-21 19:21:27,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354335898] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:21:27,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:21:27,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-21 19:21:27,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914924362] [2021-10-21 19:21:27,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 19:21:27,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:21:27,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 19:21:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:21:27,356 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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) [2021-10-21 19:24:37,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:37,812 INFO L93 Difference]: Finished difference Result 213 states and 298 transitions. [2021-10-21 19:24:37,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:24:37,844 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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) Word has length 17 [2021-10-21 19:24:37,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:37,847 INFO L225 Difference]: With dead ends: 213 [2021-10-21 19:24:37,847 INFO L226 Difference]: Without dead ends: 208 [2021-10-21 19:24:37,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 35296.4ms TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-10-21 19:24:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-21 19:24:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 128. [2021-10-21 19:24:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 127 states have internal predecessors, (179), 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) [2021-10-21 19:24:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-10-21 19:24:37,862 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2021-10-21 19:24:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:37,863 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-10-21 19:24:37,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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) [2021-10-21 19:24:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-10-21 19:24:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:24:37,865 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:37,865 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:37,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-21 19:24:38,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:24:38,082 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:24:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:38,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2021-10-21 19:24:38,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:24:38,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502220655] [2021-10-21 19:24:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:38,084 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:24:38,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:24:38,085 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:24:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:24:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:38,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:24:38,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:42,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:24:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:49,341 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:24:49,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502220655] [2021-10-21 19:24:49,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502220655] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:49,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:49,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-21 19:24:49,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994881786] [2021-10-21 19:24:49,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-21 19:24:49,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:24:49,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-21 19:24:49,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:24:49,345 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-10-21 19:25:00,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:00,347 INFO L93 Difference]: Finished difference Result 224 states and 312 transitions. [2021-10-21 19:25:00,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:25:00,348 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) Word has length 21 [2021-10-21 19:25:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:25:00,349 INFO L225 Difference]: With dead ends: 224 [2021-10-21 19:25:00,350 INFO L226 Difference]: Without dead ends: 191 [2021-10-21 19:25:00,351 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 11956.2ms TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-10-21 19:25:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-21 19:25:00,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 132. [2021-10-21 19:25:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 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) [2021-10-21 19:25:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-10-21 19:25:00,366 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2021-10-21 19:25:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:25:00,367 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-10-21 19:25:00,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-10-21 19:25:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-10-21 19:25:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:25:00,369 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:25:00,369 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:00,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:00,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:25:00,574 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:25:00,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:00,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2021-10-21 19:25:00,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:25:00,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580034571] [2021-10-21 19:25:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:00,575 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:25:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:25:00,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:25:00,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:25:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:01,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:25:01,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:03,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-10-21 19:25:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:05,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:25:08,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-10-21 19:25:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:10,153 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:25:10,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580034571] [2021-10-21 19:25:10,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580034571] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:25:10,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:25:10,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-10-21 19:25:10,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694312474] [2021-10-21 19:25:10,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-21 19:25:10,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:25:10,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 19:25:10,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=104, Unknown=1, NotChecked=0, Total=132 [2021-10-21 19:25:10,156 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-10-21 19:25:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:22,000 INFO L93 Difference]: Finished difference Result 197 states and 277 transitions. [2021-10-21 19:25:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:25:22,000 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) Word has length 21 [2021-10-21 19:25:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:25:22,002 INFO L225 Difference]: With dead ends: 197 [2021-10-21 19:25:22,002 INFO L226 Difference]: Without dead ends: 115 [2021-10-21 19:25:22,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 10372.0ms TimeCoverageRelationStatistics Valid=71, Invalid=200, Unknown=1, NotChecked=0, Total=272 [2021-10-21 19:25:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-21 19:25:22,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-21 19:25:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.412280701754386) internal successors, (161), 114 states have internal predecessors, (161), 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) [2021-10-21 19:25:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2021-10-21 19:25:22,011 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2021-10-21 19:25:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:25:22,011 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2021-10-21 19:25:22,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-10-21 19:25:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2021-10-21 19:25:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:25:22,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:25:22,013 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:22,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:22,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:25:22,226 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:25:22,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:22,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1508066396, now seen corresponding path program 1 times [2021-10-21 19:25:22,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:25:22,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356505150] [2021-10-21 19:25:22,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:22,227 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:25:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:25:22,230 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:25:22,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:25:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:22,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:25:22,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:24,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2021-10-21 19:25:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:25,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:25:28,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-10-21 19:25:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:30,346 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:25:30,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356505150] [2021-10-21 19:25:30,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356505150] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:25:30,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:25:30,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-10-21 19:25:30,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62337999] [2021-10-21 19:25:30,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-21 19:25:30,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:25:30,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:25:30,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2021-10-21 19:25:30,348 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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) [2021-10-21 19:25:34,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:34,969 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2021-10-21 19:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:25:34,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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) Word has length 22 [2021-10-21 19:25:34,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:25:34,970 INFO L225 Difference]: With dead ends: 115 [2021-10-21 19:25:34,970 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:25:34,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 9366.1ms TimeCoverageRelationStatistics Valid=65, Invalid=174, Unknown=1, NotChecked=0, Total=240 [2021-10-21 19:25:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:25:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:25:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-21 19:25:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:25:34,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-21 19:25:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:25:34,973 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:25:34,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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) [2021-10-21 19:25:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:25:34,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:25:34,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:25:34,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:35,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:25:35,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:25:35,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:35,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:25:48,979 INFO L857 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-10-21 19:25:48,980 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-10-21 19:25:48,980 INFO L853 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2021-10-21 19:25:48,980 INFO L857 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-10-21 19:25:48,980 INFO L857 garLoopResultBuilder]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2021-10-21 19:25:48,980 INFO L853 garLoopResultBuilder]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2021-10-21 19:25:48,980 INFO L857 garLoopResultBuilder]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2021-10-21 19:25:48,980 INFO L860 garLoopResultBuilder]: At program point L269(lines 249 270) the Hoare annotation is: true [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-10-21 19:25:48,981 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:25:48,982 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-10-21 19:25:48,983 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2021-10-21 19:25:48,983 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-21 19:25:48,983 INFO L853 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven))) (or (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse0 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y))))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|)))))) [2021-10-21 19:25:48,983 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:25:48,983 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-21 19:25:48,983 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-10-21 19:25:48,983 INFO L857 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:25:48,984 INFO L853 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-10-21 19:25:48,984 INFO L857 garLoopResultBuilder]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2021-10-21 19:25:48,984 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:25:48,984 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-10-21 19:25:48,984 INFO L853 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-21 19:25:48,984 INFO L853 garLoopResultBuilder]: At program point L247-1(line 247) the Hoare annotation is: (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse1 (not .cse0)) (.cse2 (not |ULTIMATE.start_main_#t~short49|))) (and (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_double_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) .cse1)) (or .cse2 .cse1) (let ((.cse3 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse3 .cse2) (and |ULTIMATE.start_main_#t~short49| (not .cse3)))) (= currentRoundingMode roundNearestTiesToEven)))) [2021-10-21 19:25:48,984 INFO L853 garLoopResultBuilder]: At program point L247-2(line 247) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y))))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 .cse1 (exists ((ULTIMATE.start___ieee754_atan2_~x (_ FloatingPoint 11 53)) (ULTIMATE.start___ieee754_atan2_~y (_ FloatingPoint 11 53))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~y) |ULTIMATE.start___ieee754_atan2_#res|)))))) [2021-10-21 19:25:48,985 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-10-21 19:25:48,985 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-10-21 19:25:48,985 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse0 .cse1))) [2021-10-21 19:25:48,985 INFO L857 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-10-21 19:25:48,985 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-10-21 19:25:49,001 INFO L857 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-10-21 19:25:49,002 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-10-21 19:25:49,002 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-10-21 19:25:49,002 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-10-21 19:25:49,002 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2021-10-21 19:25:49,002 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:25:49,003 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-10-21 19:25:49,003 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-10-21 19:25:49,003 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-10-21 19:25:49,004 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-21 19:25:49,005 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-21 19:25:49,005 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-21 19:25:49,005 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-10-21 19:25:49,005 INFO L857 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-10-21 19:25:49,005 INFO L853 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-10-21 19:25:49,006 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-10-21 19:25:49,006 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-10-21 19:25:49,006 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:25:49,017 INFO L857 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-10-21 19:25:49,018 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-10-21 19:25:49,018 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) (.cse3 (= currentRoundingMode roundNearestTiesToEven))) (or (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_atan2_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|)) (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (not (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse0 .cse0))))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (= ULTIMATE.start___ieee754_atan2_~ix~1 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|))) (not (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (fp.eq .cse1 .cse1))))) (not (fp.eq ULTIMATE.start___ieee754_atan2_~x ULTIMATE.start___ieee754_atan2_~x)) .cse2 .cse3) (and .cse2 (not (fp.eq ULTIMATE.start___ieee754_atan2_~y ULTIMATE.start___ieee754_atan2_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse3))) [2021-10-21 19:25:49,018 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-10-21 19:25:49,018 INFO L857 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-10-21 19:25:49,020 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2021-10-21 19:25:49,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2021-10-21 19:25:49,021 INFO L857 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-10-21 19:25:49,022 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-21 19:25:49,025 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2021-10-21 19:25:49,026 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,026 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-10-21 19:25:49,026 INFO L857 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,026 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,026 INFO L857 garLoopResultBuilder]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-10-21 19:25:49,027 INFO L857 garLoopResultBuilder]: For program point L258-2(lines 258 267) no Hoare annotation was computed. [2021-10-21 19:25:49,028 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-21 19:25:49,028 INFO L857 garLoopResultBuilder]: For program point L258-4(lines 258 267) no Hoare annotation was computed. [2021-10-21 19:25:49,028 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-10-21 19:25:49,028 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-10-21 19:25:49,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:25:49,029 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:25:49,029 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-10-21 19:25:49,029 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2021-10-21 19:25:49,030 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-10-21 19:25:49,030 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 266) no Hoare annotation was computed. [2021-10-21 19:25:49,030 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-10-21 19:25:49,030 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2021-10-21 19:25:49,030 INFO L853 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-10-21 19:25:49,031 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:25:49,031 INFO L853 garLoopResultBuilder]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2021-10-21 19:25:49,031 INFO L853 garLoopResultBuilder]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2021-10-21 19:25:49,031 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 264) no Hoare annotation was computed. [2021-10-21 19:25:49,031 INFO L857 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-10-21 19:25:49,032 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-10-21 19:25:49,033 INFO L857 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-10-21 19:25:49,033 INFO L853 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2021-10-21 19:25:49,033 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2021-10-21 19:25:49,033 INFO L857 garLoopResultBuilder]: For program point L132-4(line 132) no Hoare annotation was computed. [2021-10-21 19:25:49,033 INFO L857 garLoopResultBuilder]: For program point L132-6(line 132) no Hoare annotation was computed. [2021-10-21 19:25:49,034 INFO L853 garLoopResultBuilder]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2021-10-21 19:25:49,035 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:25:49,035 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-10-21 19:25:49,039 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:25:49,060 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,061 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,066 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,067 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,088 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,093 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,102 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,105 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,105 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,107 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:25:49 BoogieIcfgContainer [2021-10-21 19:25:49,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:25:49,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:25:49,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:25:49,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:25:49,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:09" (3/4) ... [2021-10-21 19:25:49,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:25:49,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-21 19:25:49,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-21 19:25:49,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:25:49,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:25:49,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 19:25:49,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~DOUBLE(y, y))) && (!aux-isnan_double(x) || isnan_double(y)-aux || !~fp.eq~DOUBLE(y, y))) && ((~fp.eq~DOUBLE(x, x) && !aux-isnan_double(x) || isnan_double(y)-aux) || (aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 19:25:49,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2021-10-21 19:25:49,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_32[63:32] && lx == v_skolemized_q#valueAsBitvector_32[31:0]) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]))) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_32[31:0] && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32])) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2021-10-21 19:25:49,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((!~fp.eq~DOUBLE(x, x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) [2021-10-21 19:25:49,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || (((!~fp.eq~DOUBLE(x, x) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) [2021-10-21 19:25:49,236 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:25:49,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:25:49,238 INFO L168 Benchmark]: Toolchain (without parser) took 617295.53 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.2 MB in the beginning and 47.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,239 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:25:49,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.29 ms. Allocated memory is still 60.8 MB. Free memory was 38.0 MB in the beginning and 39.0 MB in the end (delta: -924.2 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 35.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,240 INFO L168 Benchmark]: Boogie Preprocessor took 115.20 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 31.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,240 INFO L168 Benchmark]: RCFGBuilder took 36691.05 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 31.7 MB in the beginning and 44.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,241 INFO L168 Benchmark]: TraceAbstraction took 579704.85 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 24.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,241 INFO L168 Benchmark]: Witness Printer took 124.31 ms. Allocated memory is still 77.6 MB. Free memory was 24.1 MB in the beginning and 47.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:25:49,243 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 60.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.29 ms. Allocated memory is still 60.8 MB. Free memory was 38.0 MB in the beginning and 39.0 MB in the end (delta: -924.2 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 35.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.20 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 31.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 36691.05 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 31.7 MB in the beginning and 44.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 579704.85 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 24.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Witness Printer took 124.31 ms. Allocated memory is still 77.6 MB. Free memory was 24.1 MB in the beginning and 47.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 579566.0ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 16.1ms, AutomataDifference: 475561.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 13802.5ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 825 SDtfs, 1632 SDslu, 5052 SDs, 0 SdLazy, 961 SolverSat, 38 SolverUnsat, 93 SolverUnknown, 0 SolverNotchecked, 418875.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 100133.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 81.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 29 NumberOfFragments, 289 HoareAnnotationTreeSize, 20 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 161.5ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 13633.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 110.4ms SsaConstructionTime, 2090.8ms SatisfiabilityAnalysisTime, 86044.1ms InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 210 ConstructedInterpolants, 52 QuantifiedInterpolants, 1466 SizeOfPredicates, 70 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 149]: Loop Invariant [2021-10-21 19:25:49,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~DOUBLE(x, x) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,264 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_32,QUANTIFIED] [2021-10-21 19:25:49,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_32[63:32] && lx == v_skolemized_q#valueAsBitvector_32[31:0]) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]))) && !~fp.eq~DOUBLE(x, x)) && (\exists v_skolemized_q#valueAsBitvector_32 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_32[31:0] && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_32[63:32])) && !~fp.eq~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]), ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0])))) && !~fp.eq~DOUBLE(x, x)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-10-21 19:25:49,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.eq~DOUBLE(x, x) && 0bv32 == \result) || (!~fp.eq~DOUBLE(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2021-10-21 19:25:49,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] Derived loop invariant: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || ((!~fp.eq~DOUBLE(x, x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) - InvariantResult [Line: 247]: Loop Invariant [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~x,QUANTIFIED] [2021-10-21 19:25:49,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2_~y,QUANTIFIED] Derived loop invariant: ((((1bv32 == \result && !~fp.eq~DOUBLE(y, y)) && !~fp.eq~DOUBLE(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result && !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~y, ULTIMATE.start___ieee754_atan2_~y))) || (((!~fp.eq~DOUBLE(x, x) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2_~x : C_DOUBLE, ULTIMATE.start___ieee754_atan2_~y : C_DOUBLE :: !~fp.eq~DOUBLE(ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~x) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2_~x, ULTIMATE.start___ieee754_atan2_~y) == \result)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-10-21 19:25:49,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:25:49,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.eq~DOUBLE(y, y) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~DOUBLE(y, y))) && (!aux-isnan_double(x) || isnan_double(y)-aux || !~fp.eq~DOUBLE(y, y))) && ((~fp.eq~DOUBLE(x, x) && !aux-isnan_double(x) || isnan_double(y)-aux) || (aux-isnan_double(x) || isnan_double(y)-aux && !~fp.eq~DOUBLE(x, x)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:25:49,509 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-21 19:25:49,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e8b021-efdc-42a0-a9d5-e4ad90529932/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...