./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD --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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 ................................................................................................................................................................................................................................................................................................................... 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_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD --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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:51,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:51,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:51,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:51,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:51,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:51,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:51,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:51,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:51,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:51,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:51,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:51,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:51,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:51,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:51,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:51,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:51,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:51,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:51,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:51,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:51,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:52,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:52,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:52,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:52,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:52,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:52,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:52,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:52,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:52,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:52,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:52,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:52,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:52,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:52,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:52,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:52,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:52,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:52,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:52,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:52,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:51:52,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:52,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:52,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:52,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:52,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:52,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:52,078 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:52,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:52,078 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:52,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:52,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:52,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:52,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:52,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:52,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:52,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:52,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:52,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:52,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:52,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:52,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:52,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:52,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:52,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:52,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:52,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:52,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:52,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:51:52,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:52,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:52,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:52,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:52,088 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_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2021-10-28 23:51:52,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:52,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:52,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:52,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:52,460 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:52,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-28 23:51:52,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/5f5eab66a/73a9303e0e5047d4a95b2aafb64faa8f/FLAGd981476c7 [2021-10-28 23:51:53,127 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:53,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-28 23:51:53,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/5f5eab66a/73a9303e0e5047d4a95b2aafb64faa8f/FLAGd981476c7 [2021-10-28 23:51:53,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/5f5eab66a/73a9303e0e5047d4a95b2aafb64faa8f [2021-10-28 23:51:53,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:53,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:53,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:53,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:53,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:53,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65168c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53, skipping insertion in model container [2021-10-28 23:51:53,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:53,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:53,739 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_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-28 23:51:53,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:53,753 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:53,822 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_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-28 23:51:53,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:53,840 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:53,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53 WrapperNode [2021-10-28 23:51:53,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:53,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:53,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:53,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:53,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:53,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:53,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:53,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:53,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:53,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:53,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:53,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:53,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (1/1) ... [2021-10-28 23:51:53,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:53,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:53,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:53,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 23:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 23:51:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:51:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:51:54,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:54,389 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 23:51:54,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:54 BoogieIcfgContainer [2021-10-28 23:51:54,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:54,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:54,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:54,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:54,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:53" (1/3) ... [2021-10-28 23:51:54,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52436fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:54, skipping insertion in model container [2021-10-28 23:51:54,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:53" (2/3) ... [2021-10-28 23:51:54,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52436fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:54, skipping insertion in model container [2021-10-28 23:51:54,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:54" (3/3) ... [2021-10-28 23:51:54,400 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2021-10-28 23:51:54,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:54,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:51:54,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:54,490 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 [2021-10-28 23:51:54,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:51:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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) [2021-10-28 23:51:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:51:54,529 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:54,530 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:54,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:51:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2021-10-28 23:51:54,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:54,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879474842] [2021-10-28 23:51:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:54,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:54,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:54,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879474842] [2021-10-28 23:51:54,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879474842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:54,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:54,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:51:54,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572118966] [2021-10-28 23:51:54,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:51:54,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:51:54,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:51:54,778 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-28 23:51:54,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:54,810 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-28 23:51:54,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:51:54,812 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-28 23:51:54,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:54,823 INFO L225 Difference]: With dead ends: 64 [2021-10-28 23:51:54,824 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:51:54,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:51:54,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:51:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:51:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 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) [2021-10-28 23:51:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-28 23:51:54,870 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2021-10-28 23:51:54,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:54,871 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-28 23:51:54,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-28 23:51:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-28 23:51:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:51:54,873 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:54,873 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:54,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:51:54,874 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:51:54,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:54,881 INFO L85 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2021-10-28 23:51:54,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:54,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861592919] [2021-10-28 23:51:54,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:54,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:55,005 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:55,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:55,119 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:51:55,123 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:55,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:51:55,129 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:51:55,133 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:55,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:55 BoogieIcfgContainer [2021-10-28 23:51:55,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:55,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:55,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:55,211 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:55,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:54" (3/4) ... [2021-10-28 23:51:55,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:51:55,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:55,219 INFO L168 Benchmark]: Toolchain (without parser) took 1753.90 ms. Allocated memory is still 119.5 MB. Free memory was 83.1 MB in the beginning and 49.6 MB in the end (delta: 33.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,220 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 119.5 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:55,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.57 ms. Allocated memory is still 119.5 MB. Free memory was 82.8 MB in the beginning and 93.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.45 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 91.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,231 INFO L168 Benchmark]: Boogie Preprocessor took 32.48 ms. Allocated memory is still 119.5 MB. Free memory was 91.7 MB in the beginning and 90.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,233 INFO L168 Benchmark]: RCFGBuilder took 451.55 ms. Allocated memory is still 119.5 MB. Free memory was 90.0 MB in the beginning and 76.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,234 INFO L168 Benchmark]: TraceAbstraction took 816.02 ms. Allocated memory is still 119.5 MB. Free memory was 76.1 MB in the beginning and 49.8 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:55,235 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 119.5 MB. Free memory was 49.8 MB in the beginning and 49.6 MB in the end (delta: 231.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:55,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 119.5 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.57 ms. Allocated memory is still 119.5 MB. Free memory was 82.8 MB in the beginning and 93.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.45 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 91.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.48 ms. Allocated memory is still 119.5 MB. Free memory was 91.7 MB in the beginning and 90.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 451.55 ms. Allocated memory is still 119.5 MB. Free memory was 90.0 MB in the beginning and 76.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 816.02 ms. Allocated memory is still 119.5 MB. Free memory was 76.1 MB in the beginning and 49.8 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.47 ms. Allocated memory is still 119.5 MB. Free memory was 49.8 MB in the beginning and 49.6 MB in the end (delta: 231.4 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 123]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryFLOAToperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L118] float x = -0.0f; [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L119] float res = __ieee754_logf(x); [L16] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (ix) = gf_u.word [L22] ix &= 0x7fffffff [L23] return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L122] COND TRUE !isinf_float(res) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 23:51:55,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/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-b2eff8b [2021-10-28 23:51:58,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:58,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:58,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:58,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:58,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:58,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:58,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:58,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:58,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:58,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:58,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:58,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:58,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:58,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:58,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:58,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:58,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:58,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:58,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:58,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:58,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:58,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:58,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:58,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:58,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:58,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:58,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:58,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:58,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:58,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:58,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:58,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:58,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:58,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:58,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:58,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:58,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:58,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:58,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:58,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:58,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:51:58,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:58,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:58,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:58,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:58,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:58,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:58,294 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:58,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:58,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:58,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:58,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:58,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:58,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:58,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:58,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:51:58,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:51:58,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:58,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:58,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:58,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:58,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:58,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:58,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:58,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:58,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:58,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:58,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:58,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:51:58,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:51:58,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:58,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:58,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:58,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:58,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:51:58,303 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_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2021-10-28 23:51:58,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:58,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:58,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:58,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:58,791 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:58,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-28 23:51:58,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/bcbfebeca/dc533335ed8b4d799e076ad83c242204/FLAG7189d6c15 [2021-10-28 23:51:59,427 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:59,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-28 23:51:59,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/bcbfebeca/dc533335ed8b4d799e076ad83c242204/FLAG7189d6c15 [2021-10-28 23:51:59,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/data/bcbfebeca/dc533335ed8b4d799e076ad83c242204 [2021-10-28 23:51:59,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:59,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:59,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:59,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:59,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:59,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:59" (1/1) ... [2021-10-28 23:51:59,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dcae36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:59, skipping insertion in model container [2021-10-28 23:51:59,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:59" (1/1) ... [2021-10-28 23:51:59,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:59,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:52:00,160 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_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-28 23:52:00,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:52:00,216 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:52:00,283 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_22434943-cc37-4b38-937f-353db7783b98/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-28 23:52:00,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:52:00,316 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:52:00,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00 WrapperNode [2021-10-28 23:52:00,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:52:00,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:52:00,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:52:00,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:52:00,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:52:00,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:52:00,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:52:00,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:52:00,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:52:00,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:52:00,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:52:00,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:52:00,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (1/1) ... [2021-10-28 23:52:00,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:52:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:52:00,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:52:00,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:52:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:52:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:52:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-28 23:52:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:52:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:52:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:52:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-28 23:52:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:52:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:52:19,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:52:19,471 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 23:52:19,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:19 BoogieIcfgContainer [2021-10-28 23:52:19,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:52:19,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:52:19,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:52:19,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:52:19,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:59" (1/3) ... [2021-10-28 23:52:19,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f80621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:52:19, skipping insertion in model container [2021-10-28 23:52:19,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:00" (2/3) ... [2021-10-28 23:52:19,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f80621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:52:19, skipping insertion in model container [2021-10-28 23:52:19,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:19" (3/3) ... [2021-10-28 23:52:19,485 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2021-10-28 23:52:19,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:52:19,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:52:19,555 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:52:19,563 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 [2021-10-28 23:52:19,564 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:52:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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) [2021-10-28 23:52:19,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:52:19,585 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:52:19,586 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:52:19,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:52:19,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:52:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2021-10-28 23:52:19,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:52:19,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029239886] [2021-10-28 23:52:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:52:19,607 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:52:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:52:19,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:52:19,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:52:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:52:20,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 23:52:20,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:52:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:52:20,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:52:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:52:20,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:52:20,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029239886] [2021-10-28 23:52:20,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029239886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:52:20,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:52:20,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:52:20,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379955542] [2021-10-28 23:52:20,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:52:20,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:52:20,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:52:20,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:52:20,474 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-28 23:52:20,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:52:20,495 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-28 23:52:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:52:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-28 23:52:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:52:20,504 INFO L225 Difference]: With dead ends: 64 [2021-10-28 23:52:20,504 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:52:20,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:52:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:52:20,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:52:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 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) [2021-10-28 23:52:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-28 23:52:20,539 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2021-10-28 23:52:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:52:20,540 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-28 23:52:20,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-28 23:52:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-28 23:52:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:52:20,541 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:52:20,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:52:20,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:52:20,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:52:20,745 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:52:20,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:52:20,746 INFO L85 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2021-10-28 23:52:20,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:52:20,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281593173] [2021-10-28 23:52:20,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:52:20,749 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:52:20,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:52:20,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:52:20,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:52:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:52:21,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:52:21,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:52:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:52:22,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:53:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:13,929 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:53:13,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281593173] [2021-10-28 23:53:13,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281593173] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:53:13,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:53:13,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-10-28 23:53:13,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184166409] [2021-10-28 23:53:13,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 23:53:13,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:53:13,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 23:53:13,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=145, Unknown=6, NotChecked=0, Total=182 [2021-10-28 23:53:13,935 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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) [2021-10-28 23:53:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:53:47,819 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2021-10-28 23:53:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:53:47,874 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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 13 [2021-10-28 23:53:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:53:47,876 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:53:47,876 INFO L226 Difference]: Without dead ends: 38 [2021-10-28 23:53:47,878 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=87, Invalid=249, Unknown=6, NotChecked=0, Total=342 [2021-10-28 23:53:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-28 23:53:47,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2021-10-28 23:53:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 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) [2021-10-28 23:53:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-10-28 23:53:47,885 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2021-10-28 23:53:47,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:53:47,886 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-28 23:53:47,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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) [2021-10-28 23:53:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-10-28 23:53:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:53:47,887 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:53:47,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:53:47,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:48,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:53:48,089 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:53:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2021-10-28 23:53:48,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:53:48,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383642483] [2021-10-28 23:53:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:48,091 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:53:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:53:48,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:53:48,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:53:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:48,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:53:48,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:53:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:48,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:53:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:49,263 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:53:49,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383642483] [2021-10-28 23:53:49,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383642483] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:53:49,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:53:49,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-28 23:53:49,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741805194] [2021-10-28 23:53:49,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:53:49,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:53:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:53:49,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:53:49,266 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-10-28 23:53:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:53:49,346 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-28 23:53:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:53:49,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 [2021-10-28 23:53:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:53:49,347 INFO L225 Difference]: With dead ends: 30 [2021-10-28 23:53:49,347 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:53:49,348 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:53:49,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:53:49,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:53:49,349 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) [2021-10-28 23:53:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:53:49,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-10-28 23:53:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:53:49,350 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:49,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-10-28 23:53:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:53:49,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:53:49,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:53:49,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:49,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:53:49,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:53:49,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:53:49,999 INFO L860 garLoopResultBuilder]: At program point L126(lines 112 127) the Hoare annotation is: true [2021-10-28 23:53:49,999 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:53:49,999 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:53:50,000 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-10-28 23:53:50,000 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 86) no Hoare annotation was computed. [2021-10-28 23:53:50,000 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2021-10-28 23:53:50,000 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2021-10-28 23:53:50,001 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 78) no Hoare annotation was computed. [2021-10-28 23:53:50,001 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2021-10-28 23:53:50,001 INFO L853 garLoopResultBuilder]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (fp.neg (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:53:50,001 INFO L857 garLoopResultBuilder]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2021-10-28 23:53:50,002 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2021-10-28 23:53:50,002 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2021-10-28 23:53:50,002 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-28 23:53:50,002 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-10-28 23:53:50,002 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-28 23:53:50,003 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2021-10-28 23:53:50,003 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2021-10-28 23:53:50,003 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 109) no Hoare annotation was computed. [2021-10-28 23:53:50,003 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 125) no Hoare annotation was computed. [2021-10-28 23:53:50,004 INFO L853 garLoopResultBuilder]: At program point L23(lines 15 24) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 ULTIMATE.start_isinf_float_~x) (= (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2139095040 32)) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32)))) [2021-10-28 23:53:50,004 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:53:50,004 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-10-28 23:53:50,004 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-28 23:53:50,005 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-10-28 23:53:50,005 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2021-10-28 23:53:50,005 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:53:50,005 INFO L857 garLoopResultBuilder]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2021-10-28 23:53:50,005 INFO L853 garLoopResultBuilder]: At program point L17-2(lines 17 21) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-28 23:53:50,006 INFO L857 garLoopResultBuilder]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2021-10-28 23:53:50,006 INFO L853 garLoopResultBuilder]: At program point L108(lines 34 110) the Hoare annotation is: (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:53:50,006 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2021-10-28 23:53:50,006 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2021-10-28 23:53:50,012 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:53:50,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:53:50,024 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,025 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,026 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,026 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,026 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,034 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,034 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,034 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,035 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,035 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,035 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,035 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,036 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,036 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,038 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,038 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,038 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,039 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,040 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,041 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,041 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,042 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,042 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,043 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,043 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,043 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,044 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,044 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,044 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,045 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,045 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,046 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,046 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,046 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,047 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,047 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,047 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,048 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,048 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,049 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,050 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:53:50 BoogieIcfgContainer [2021-10-28 23:53:50,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:53:50,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:53:50,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:53:50,052 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:53:50,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:19" (3/4) ... [2021-10-28 23:53:50,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:53:50,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-28 23:53:50,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:53:50,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:53:50,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:53:50,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 23:53:50,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 23:53:50,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 [2021-10-28 23:53:50,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:53:50,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:53:50,139 INFO L168 Benchmark]: Toolchain (without parser) took 110297.29 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 36.4 MB in the beginning and 33.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,139 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:50,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.76 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 39.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.80 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,150 INFO L168 Benchmark]: Boogie Preprocessor took 89.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,151 INFO L168 Benchmark]: RCFGBuilder took 18985.96 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.0 MB in the beginning and 64.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,151 INFO L168 Benchmark]: TraceAbstraction took 90574.56 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 37.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,152 INFO L168 Benchmark]: Witness Printer took 85.88 ms. Allocated memory is still 88.1 MB. Free memory was 37.8 MB in the beginning and 33.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:50,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.76 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 39.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.80 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.9 MB in the beginning and 35.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 18985.96 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.0 MB in the beginning and 64.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 90574.56 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 37.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Witness Printer took 85.88 ms. Allocated memory is still 88.1 MB. Free memory was 37.8 MB in the beginning and 33.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 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 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 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 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 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 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 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 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 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 123]: 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 90.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 50 SDslu, 198 SDs, 0 SdLazy, 93 SolverSat, 6 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 32.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 32.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 144 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 53.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 8 QuantifiedInterpolants, 413 SizeOfPredicates, 15 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 17]: Loop Invariant [2021-10-28 23:53:50,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant [2021-10-28 23:53:50,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 15]: Loop Invariant [2021-10-28 23:53:50,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 - InvariantResult [Line: 38]: Loop Invariant [2021-10-28 23:53:50,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:53:50,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-28 23:53:50,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22434943-cc37-4b38-937f-353db7783b98/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...