./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer --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 4067ad1b598c9ecb9f285b79932b541dc69ac510 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer --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 4067ad1b598c9ecb9f285b79932b541dc69ac510 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:35,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:35,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:35,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:35,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:35,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:35,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:35,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:35,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:35,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:35,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:35,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:35,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:35,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:35,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:35,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:35,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:35,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:35,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:35,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:35,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:35,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:35,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:35,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:35,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:35,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:35,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:35,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:35,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:35,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:35,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:35,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:35,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:35,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:35,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:35,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:35,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:35,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:35,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:35,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:35,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:35,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:18:35,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:35,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:35,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:35,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:35,893 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:35,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:35,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:35,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:35,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:35,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:35,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:35,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:35,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:35,896 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:35,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:35,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:35,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:35,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:35,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:35,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:35,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:35,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:35,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:35,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:35,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:35,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:35,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:35,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:35,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:35,900 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-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4067ad1b598c9ecb9f285b79932b541dc69ac510 [2020-11-28 03:18:36,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:36,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:36,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:36,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:36,204 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:36,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-11-28 03:18:36,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/54417c15e/904dfb2d75c4499baf67084db04ec1c5/FLAGa6de7a386 [2020-11-28 03:18:36,710 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:36,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-11-28 03:18:36,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/54417c15e/904dfb2d75c4499baf67084db04ec1c5/FLAGa6de7a386 [2020-11-28 03:18:37,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/54417c15e/904dfb2d75c4499baf67084db04ec1c5 [2020-11-28 03:18:37,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:37,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:37,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:37,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:37,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:37,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b79b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37, skipping insertion in model container [2020-11-28 03:18:37,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:37,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:37,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:37,379 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:37,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:37,457 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:37,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37 WrapperNode [2020-11-28 03:18:37,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:37,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:37,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:37,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:37,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:37,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:37,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:37,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:37,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... [2020-11-28 03:18:37,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:37,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:37,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:37,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:37,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 03:18:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:18:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 03:18:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:18:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-28 03:18:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:18:38,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:38,835 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 03:18:38,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:38 BoogieIcfgContainer [2020-11-28 03:18:38,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:38,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:18:38,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:18:38,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:18:38,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:37" (1/3) ... [2020-11-28 03:18:38,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102d4745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:38, skipping insertion in model container [2020-11-28 03:18:38,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:37" (2/3) ... [2020-11-28 03:18:38,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102d4745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:38, skipping insertion in model container [2020-11-28 03:18:38,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:38" (3/3) ... [2020-11-28 03:18:38,846 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680a.c [2020-11-28 03:18:38,858 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:18:38,862 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:18:38,875 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:18:38,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:18:38,901 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:18:38,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:18:38,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:38,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:38,902 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:18:38,902 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:38,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:18:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-28 03:18:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:18:38,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:38,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:38,920 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:38,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:38,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-11-28 03:18:38,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:38,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963631925] [2020-11-28 03:18:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:39,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963631925] [2020-11-28 03:18:39,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:39,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:39,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683736308] [2020-11-28 03:18:39,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:18:39,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:39,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:18:39,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:39,134 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-28 03:18:39,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:39,163 INFO L93 Difference]: Finished difference Result 217 states and 363 transitions. [2020-11-28 03:18:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:18:39,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:18:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:39,191 INFO L225 Difference]: With dead ends: 217 [2020-11-28 03:18:39,191 INFO L226 Difference]: Without dead ends: 106 [2020-11-28 03:18:39,194 INFO L677 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 [2020-11-28 03:18:39,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-28 03:18:39,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-28 03:18:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-28 03:18:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-11-28 03:18:39,233 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-11-28 03:18:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:39,234 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-11-28 03:18:39,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:18:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-11-28 03:18:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:18:39,235 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:39,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:39,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:18:39,236 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:39,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:39,237 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-11-28 03:18:39,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:39,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309508604] [2020-11-28 03:18:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:39,323 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:39,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:39,443 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:39,443 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:18:39,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:18:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:39 BoogieIcfgContainer [2020-11-28 03:18:39,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:18:39,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:39,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:39,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:39,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:38" (3/4) ... [2020-11-28 03:18:39,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:18:39,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:39,493 INFO L168 Benchmark]: Toolchain (without parser) took 2398.26 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 52.8 MB in the beginning and 55.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,494 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 56.7 MB in the beginning and 56.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:39,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.48 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 60.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.41 ms. Allocated memory is still 86.0 MB. Free memory was 60.1 MB in the beginning and 56.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,497 INFO L168 Benchmark]: Boogie Preprocessor took 57.48 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 53.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,497 INFO L168 Benchmark]: RCFGBuilder took 1238.95 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.6 MB in the beginning and 54.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,498 INFO L168 Benchmark]: TraceAbstraction took 647.45 ms. Allocated memory is still 104.9 MB. Free memory was 54.2 MB in the beginning and 55.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:39,499 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 104.9 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:39,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 56.7 MB in the beginning and 56.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.48 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 60.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.41 ms. Allocated memory is still 86.0 MB. Free memory was 60.1 MB in the beginning and 56.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.48 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 53.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1238.95 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.6 MB in the beginning and 54.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 647.45 ms. Allocated memory is still 104.9 MB. Free memory was 54.2 MB in the beginning and 55.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 104.9 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 222, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L222] float x = -0.0f; [L223] float y = 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "float_req_bl_0680a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 157 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=110occurred in iteration=0, 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:42,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:42,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:42,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-28 03:18:42,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:42,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:42,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:42,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:42,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:42,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:42,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:42,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:42,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:42,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:42,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:42,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:18:42,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:42,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:42,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:42,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:42,258 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:42,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:42,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:42,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:42,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:42,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:42,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:42,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:42,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:18:42,262 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:18:42,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:42,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:42,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:42,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:42,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:42,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:42,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:42,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:42,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:42,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:42,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:42,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:42,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:18:42,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:18:42,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:42,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:42,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:18:42,266 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-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4067ad1b598c9ecb9f285b79932b541dc69ac510 [2020-11-28 03:18:42,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:42,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:42,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:42,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:42,697 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:42,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-11-28 03:18:42,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/8d108d41f/0c90dd5af1a44d41a4ad88994ebb8268/FLAGf032aedd0 [2020-11-28 03:18:43,372 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:43,373 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-11-28 03:18:43,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/8d108d41f/0c90dd5af1a44d41a4ad88994ebb8268/FLAGf032aedd0 [2020-11-28 03:18:43,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/data/8d108d41f/0c90dd5af1a44d41a4ad88994ebb8268 [2020-11-28 03:18:43,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:43,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:43,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:43,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:43,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:43,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:43" (1/1) ... [2020-11-28 03:18:43,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6568e977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:43, skipping insertion in model container [2020-11-28 03:18:43,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:43" (1/1) ... [2020-11-28 03:18:43,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:43,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:43,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:43,991 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:44,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:44,173 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:44,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44 WrapperNode [2020-11-28 03:18:44,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:44,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:44,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:44,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:44,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:44,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:44,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:44,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:44,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... [2020-11-28 03:18:44,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:44,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:44,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:44,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:44,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-28 03:18:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:18:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 03:18:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:18:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 03:18:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:18:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:19:04,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:04,724 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 03:19:04,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:04 BoogieIcfgContainer [2020-11-28 03:19:04,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:04,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:04,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:04,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:04,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:43" (1/3) ... [2020-11-28 03:19:04,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10df6493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:04, skipping insertion in model container [2020-11-28 03:19:04,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:44" (2/3) ... [2020-11-28 03:19:04,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10df6493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:04, skipping insertion in model container [2020-11-28 03:19:04,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:04" (3/3) ... [2020-11-28 03:19:04,734 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680a.c [2020-11-28 03:19:04,745 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:04,750 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:19:04,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:19:04,796 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:04,797 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:04,797 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:04,797 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:04,797 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:04,797 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:04,798 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:04,798 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-28 03:19:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:19:04,818 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:04,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:04,819 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:04,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-11-28 03:19:04,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:19:04,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022420373] [2020-11-28 03:19:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:19:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:06,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 03:19:06,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:06,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:19:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:06,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022420373] [2020-11-28 03:19:06,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:06,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:19:06,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400335007] [2020-11-28 03:19:06,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:06,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:19:06,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:06,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:06,087 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-28 03:19:06,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:06,119 INFO L93 Difference]: Finished difference Result 217 states and 363 transitions. [2020-11-28 03:19:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:06,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:19:06,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:06,132 INFO L225 Difference]: With dead ends: 217 [2020-11-28 03:19:06,132 INFO L226 Difference]: Without dead ends: 106 [2020-11-28 03:19:06,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:06,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-28 03:19:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-28 03:19:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-28 03:19:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-11-28 03:19:06,183 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-11-28 03:19:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:06,184 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-11-28 03:19:06,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-11-28 03:19:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:19:06,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:06,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:06,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:19:06,410 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:06,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:06,411 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-11-28 03:19:06,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:19:06,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397014067] [2020-11-28 03:19:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:19:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:07,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 03:19:07,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:07,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:19:07,773 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 03:19:07,948 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 03:19:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:08,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397014067] [2020-11-28 03:19:08,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:08,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-28 03:19:08,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125801633] [2020-11-28 03:19:08,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-28 03:19:08,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:19:08,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-28 03:19:08,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:08,108 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 12 states. [2020-11-28 03:19:08,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:08,493 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2020-11-28 03:19:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:08,498 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-11-28 03:19:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:08,499 INFO L225 Difference]: With dead ends: 113 [2020-11-28 03:19:08,499 INFO L226 Difference]: Without dead ends: 24 [2020-11-28 03:19:08,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:19:08,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-28 03:19:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-28 03:19:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:19:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-28 03:19:08,505 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2020-11-28 03:19:08,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:08,505 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-28 03:19:08,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-28 03:19:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-28 03:19:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:19:08,506 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:08,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:08,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:19:08,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:08,719 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2020-11-28 03:19:08,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:19:08,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417313287] [2020-11-28 03:19:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:19:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:09,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:19:09,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:09,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:19:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:09,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:19:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:09,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417313287] [2020-11-28 03:19:09,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:09,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-28 03:19:09,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502070676] [2020-11-28 03:19:09,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:19:09,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:19:09,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:19:09,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:09,990 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2020-11-28 03:19:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:10,258 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-11-28 03:19:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:10,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-28 03:19:10,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:10,259 INFO L225 Difference]: With dead ends: 36 [2020-11-28 03:19:10,259 INFO L226 Difference]: Without dead ends: 24 [2020-11-28 03:19:10,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-28 03:19:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-28 03:19:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:19:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-11-28 03:19:10,262 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2020-11-28 03:19:10,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:10,262 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-11-28 03:19:10,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:19:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-28 03:19:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:19:10,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:10,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:10,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:19:10,464 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:10,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:10,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2020-11-28 03:19:10,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:19:10,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68457906] [2020-11-28 03:19:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 03:19:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:11,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:19:11,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:11,782 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-28 03:19:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:11,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:19:12,429 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2020-11-28 03:19:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:12,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68457906] [2020-11-28 03:19:12,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:12,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 03:19:12,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787781040] [2020-11-28 03:19:12,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:19:12,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:19:12,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:19:12,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:12,434 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 8 states. [2020-11-28 03:19:12,739 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-11-28 03:19:13,066 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2020-11-28 03:19:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:13,163 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-11-28 03:19:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:13,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-11-28 03:19:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:13,164 INFO L225 Difference]: With dead ends: 28 [2020-11-28 03:19:13,164 INFO L226 Difference]: Without dead ends: 24 [2020-11-28 03:19:13,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:19:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-28 03:19:13,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-28 03:19:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:19:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-11-28 03:19:13,170 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2020-11-28 03:19:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:13,171 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-11-28 03:19:13,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:19:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-11-28 03:19:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:19:13,172 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:13,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:13,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 03:19:13,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:13,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:13,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2020-11-28 03:19:13,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:19:13,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26790354] [2020-11-28 03:19:13,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 03:19:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:14,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 03:19:14,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:14,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:19:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:14,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:19:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:14,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26790354] [2020-11-28 03:19:14,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:14,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-11-28 03:19:14,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902926384] [2020-11-28 03:19:14,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-28 03:19:14,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:19:14,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 03:19:14,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:19:14,683 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 11 states. [2020-11-28 03:19:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:14,899 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-11-28 03:19:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:14,899 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2020-11-28 03:19:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:14,899 INFO L225 Difference]: With dead ends: 24 [2020-11-28 03:19:14,900 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:14,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:19:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:14,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:14,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-28 03:19:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:14,901 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:14,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-28 03:19:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:14,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:15,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 03:19:15,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:15,491 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-28 03:19:15,498 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-28 03:19:15,498 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-28 03:19:15,498 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:19:15,498 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:19:15,499 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:15,499 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-28 03:19:15,500 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0))) [2020-11-28 03:19:15,500 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,500 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-28 03:19:15,500 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,500 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,500 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-28 03:19:15,501 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-28 03:19:15,502 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-28 03:19:15,502 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-28 03:19:15,502 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-28 03:19:15,502 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-28 03:19:15,502 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-28 03:19:15,503 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-28 03:19:15,504 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:19:15,505 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-28 03:19:15,505 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:19:15,505 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:19:15,505 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-28 03:19:15,505 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:19:15,505 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:19:15,505 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:15,506 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-28 03:19:15,506 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-28 03:19:15,506 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-28 03:19:15,506 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-28 03:19:15,506 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-28 03:19:15,507 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-28 03:19:15,507 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-28 03:19:15,507 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-28 03:19:15,507 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-28 03:19:15,507 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-28 03:19:15,507 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-28 03:19:15,507 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-28 03:19:15,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:19:15,509 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-28 03:19:15,510 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-28 03:19:15,510 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-28 03:19:15,511 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-28 03:19:15,512 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-28 03:19:15,512 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-28 03:19:15,512 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-28 03:19:15,512 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-28 03:19:15,512 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-28 03:19:15,512 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-28 03:19:15,512 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:19:15,513 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-28 03:19:15,514 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-28 03:19:15,514 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-28 03:19:15,514 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-28 03:19:15,514 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-28 03:19:15,515 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-28 03:19:15,515 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-28 03:19:15,515 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:19:15,515 INFO L277 CegarLoopResult]: At program point L232(lines 217 233) the Hoare annotation is: true [2020-11-28 03:19:15,515 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-28 03:19:15,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:15 BoogieIcfgContainer [2020-11-28 03:19:15,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:15,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:15,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:15,571 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:15,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:04" (3/4) ... [2020-11-28 03:19:15,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:15,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-28 03:19:15,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-28 03:19:15,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:15,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:15,626 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-28 03:19:15,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi [2020-11-28 03:19:15,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d8662f2-9d23-4b80-9351-def29eeca41e/bin/uautomizer/witness.graphml [2020-11-28 03:19:15,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:15,725 INFO L168 Benchmark]: Toolchain (without parser) took 31997.29 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 46.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,726 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:15,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.55 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 38.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.84 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 35.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,727 INFO L168 Benchmark]: Boogie Preprocessor took 92.89 ms. Allocated memory is still 58.7 MB. Free memory was 35.3 MB in the beginning and 31.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,727 INFO L168 Benchmark]: RCFGBuilder took 20388.97 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 44.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,727 INFO L168 Benchmark]: TraceAbstraction took 10843.08 ms. Allocated memory is still 71.3 MB. Free memory was 43.6 MB in the beginning and 24.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,728 INFO L168 Benchmark]: Witness Printer took 153.43 ms. Allocated memory is still 71.3 MB. Free memory was 24.8 MB in the beginning and 46.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:15,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.55 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 38.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.84 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 35.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.89 ms. Allocated memory is still 58.7 MB. Free memory was 35.3 MB in the beginning and 31.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20388.97 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 44.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10843.08 ms. Allocated memory is still 71.3 MB. Free memory was 43.6 MB in the beginning and 24.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 153.43 ms. Allocated memory is still 71.3 MB. Free memory was 24.8 MB in the beginning and 46.3 MB in the end (delta: -21.5 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-11-28 03:19:15,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-11-28 03:19:15,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-11-28 03:19:15,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-28 03:19:15,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-28 03:19:15,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:19:15,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:19:15,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 267 SDslu, 101 SDs, 0 SdLazy, 99 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 201 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 25 QuantifiedInterpolants, 22388 SizeOfPredicates, 37 NumberOfNonLiveVariables, 585 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 proved your program to be correct! Received shutdown request...