./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cd7167e4c5d704bd032daefd453bfeb73829b6b .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cd7167e4c5d704bd032daefd453bfeb73829b6b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:06:34,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:06:34,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:06:34,924 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:06:34,924 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:06:34,925 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:06:34,925 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:06:34,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:06:34,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:06:34,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:06:34,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:06:34,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:06:34,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:06:34,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:06:34,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:06:34,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:06:34,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:06:34,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:06:34,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:06:34,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:06:34,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:06:34,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:06:34,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:06:34,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:06:34,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:06:34,936 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:06:34,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:06:34,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:06:34,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:06:34,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:06:34,938 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:06:34,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:06:34,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:06:34,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:06:34,939 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:06:34,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:06:34,940 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 22:06:34,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:06:34,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:06:34,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:06:34,948 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:06:34,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:06:34,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:06:34,948 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:06:34,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:06:34,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:06:34,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:06:34,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:06:34,950 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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(__VERIFIER_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 -> 4cd7167e4c5d704bd032daefd453bfeb73829b6b [2018-12-08 22:06:34,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:06:34,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:06:34,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:06:34,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:06:34,977 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:06:34,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:35,011 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/f91ce7fc8/426a0db2322440f194b45ccce48eda78/FLAGeeb24ac13 [2018-12-08 22:06:35,440 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:06:35,440 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:35,445 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/f91ce7fc8/426a0db2322440f194b45ccce48eda78/FLAGeeb24ac13 [2018-12-08 22:06:35,453 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/f91ce7fc8/426a0db2322440f194b45ccce48eda78 [2018-12-08 22:06:35,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:06:35,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:06:35,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:06:35,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:06:35,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:06:35,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2778c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35, skipping insertion in model container [2018-12-08 22:06:35,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:06:35,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:06:35,605 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:06:35,608 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:06:35,677 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:06:35,690 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:06:35,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35 WrapperNode [2018-12-08 22:06:35,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:06:35,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:06:35,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:06:35,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:06:35,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:06:35,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:06:35,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:06:35,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:06:35,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... [2018-12-08 22:06:35,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:06:35,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:06:35,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:06:35,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:06:35,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 22:06:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 22:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-08 22:06:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-08 22:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:06:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 22:06:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:06:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:06:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:06:35,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:06:35,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:06:36,077 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:06:36,077 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 22:06:36,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:36 BoogieIcfgContainer [2018-12-08 22:06:36,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:06:36,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:06:36,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:06:36,080 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:06:36,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:06:35" (1/3) ... [2018-12-08 22:06:36,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a257948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:06:36, skipping insertion in model container [2018-12-08 22:06:36,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:35" (2/3) ... [2018-12-08 22:06:36,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a257948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:06:36, skipping insertion in model container [2018-12-08 22:06:36,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:36" (3/3) ... [2018-12-08 22:06:36,082 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:36,088 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:06:36,093 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:06:36,102 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:06:36,120 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:06:36,120 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:06:36,120 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:06:36,120 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:06:36,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:06:36,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:06:36,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:06:36,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:06:36,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:06:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-12-08 22:06:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:06:36,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:06:36,135 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:06:36,136 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:06:36,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:06:36,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1161852501, now seen corresponding path program 1 times [2018-12-08 22:06:36,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:06:36,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:06:36,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:06:36,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:06:36,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:06:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:06:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:06:36,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:06:36,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:06:36,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:06:36,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:06:36,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:06:36,240 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-12-08 22:06:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:06:36,257 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2018-12-08 22:06:36,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:06:36,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-08 22:06:36,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:06:36,263 INFO L225 Difference]: With dead ends: 158 [2018-12-08 22:06:36,263 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 22:06:36,265 INFO L631 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 [2018-12-08 22:06:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 22:06:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-08 22:06:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-08 22:06:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-12-08 22:06:36,291 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-12-08 22:06:36,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:06:36,292 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-12-08 22:06:36,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:06:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-12-08 22:06:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:06:36,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:06:36,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:06:36,293 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:06:36,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:06:36,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142383, now seen corresponding path program 1 times [2018-12-08 22:06:36,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:06:36,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:06:36,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:06:36,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:06:36,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:06:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:06:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:06:36,346 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 22:06:36,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:06:36 BoogieIcfgContainer [2018-12-08 22:06:36,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:06:36,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:06:36,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:06:36,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:06:36,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:36" (3/4) ... [2018-12-08 22:06:36,371 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 22:06:36,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:06:36,371 INFO L168 Benchmark]: Toolchain (without parser) took 916.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -72.4 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:06:36,372 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:06:36,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:06:36,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:06:36,373 INFO L168 Benchmark]: Boogie Preprocessor took 26.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:06:36,373 INFO L168 Benchmark]: RCFGBuilder took 341.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:06:36,373 INFO L168 Benchmark]: TraceAbstraction took 289.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:06:36,374 INFO L168 Benchmark]: Witness Printer took 2.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:06:36,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 289.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 377]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 285, overapproximation of someBinaryArithmeticDOUBLEoperation at line 321, overapproximation of bitwiseAnd at line 303, overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L168] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L280-L293] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(huge_floor)=27, \old(one_acos)=16, \old(one_sqrt)=28, \old(pi)=25, \old(pi)=18, \old(pi)=29, \old(pS0_acos)=20, \old(pS1_acos)=33, \old(pS2_acos)=17, \old(pS3_acos)=23, \old(pS4_acos)=11, \old(pS5_acos)=19, \old(qS1_acos)=22, \old(qS2_acos)=12, \old(qS3_acos)=14, \old(qS4_acos)=24, \old(tiny_sqrt)=15, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L372] double x = 1.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L373] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L296] double z, p, q, r, w, s, c, df; [L297] __int32_t hx, ix; VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L299] ieee_double_shape_type gh_u; [L300] gh_u.value = (x) [L301] EXPR gh_u.parts.msw [L301] (hx) = gh_u.parts.msw [L303] ix = hx & 0x7fffffff VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L304] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L319] COND TRUE ix < 0x3fe00000 VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L320] COND TRUE ix <= 0x3c600000 [L321] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=31, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L373] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=32, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L373] double res = __ieee754_acos(x); [L376] CALL, EXPR isnan_double(res) VAL [\old(x)=32, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] return x != x; VAL [\old(x)=32, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=32] [L376] RET, EXPR isnan_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=32, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] [L376] COND TRUE !isnan_double(res) [L377] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=32, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=31] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 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=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-08 22:06:37,724 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:06:37,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:06:37,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:06:37,732 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:06:37,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:06:37,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:06:37,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:06:37,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:06:37,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:06:37,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:06:37,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:06:37,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:06:37,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:06:37,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:06:37,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:06:37,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:06:37,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:06:37,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:06:37,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:06:37,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:06:37,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:06:37,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:06:37,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:06:37,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:06:37,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:06:37,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:06:37,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:06:37,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:06:37,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:06:37,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:06:37,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:06:37,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:06:37,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:06:37,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:06:37,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:06:37,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 22:06:37,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:06:37,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:06:37,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:06:37,755 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:06:37,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:06:37,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:06:37,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:06:37,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:06:37,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 22:06:37,757 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 22:06:37,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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(__VERIFIER_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 -> 4cd7167e4c5d704bd032daefd453bfeb73829b6b [2018-12-08 22:06:37,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:06:37,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:06:37,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:06:37,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:06:37,789 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:06:37,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:37,828 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/2a8219561/6c2ed484c5204ac1bbbc5d2a43643c06/FLAG01ce4fb3f [2018-12-08 22:06:38,187 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:06:38,187 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/sv-benchmarks/c/float-newlib/double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:38,192 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/2a8219561/6c2ed484c5204ac1bbbc5d2a43643c06/FLAG01ce4fb3f [2018-12-08 22:06:38,562 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/data/2a8219561/6c2ed484c5204ac1bbbc5d2a43643c06 [2018-12-08 22:06:38,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:06:38,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:06:38,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:06:38,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:06:38,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:06:38,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160249cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38, skipping insertion in model container [2018-12-08 22:06:38,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:06:38,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:06:38,732 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:06:38,735 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:06:38,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:06:38,796 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:06:38,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38 WrapperNode [2018-12-08 22:06:38,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:06:38,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:06:38,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:06:38,797 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:06:38,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:06:38,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:06:38,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:06:38,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:06:38,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... [2018-12-08 22:06:38,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:06:38,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:06:38,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:06:38,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:06:38,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:06:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 22:06:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 22:06:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 22:06:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-08 22:06:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:06:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-08 22:06:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:06:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 22:06:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:06:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:06:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 22:06:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:06:39,333 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:06:41,453 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:06:51,553 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:06:54,637 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:06:54,650 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:06:54,650 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 22:06:54,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:54 BoogieIcfgContainer [2018-12-08 22:06:54,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:06:54,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:06:54,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:06:54,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:06:54,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:06:38" (1/3) ... [2018-12-08 22:06:54,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eebed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:06:54, skipping insertion in model container [2018-12-08 22:06:54,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:06:38" (2/3) ... [2018-12-08 22:06:54,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eebed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:06:54, skipping insertion in model container [2018-12-08 22:06:54,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:54" (3/3) ... [2018-12-08 22:06:54,655 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a_true-unreach-call.c [2018-12-08 22:06:54,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:06:54,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:06:54,673 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:06:54,690 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:06:54,690 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:06:54,690 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:06:54,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:06:54,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:06:54,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:06:54,691 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:06:54,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:06:54,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:06:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-12-08 22:06:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 22:06:54,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:06:54,705 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:06:54,706 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:06:54,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:06:54,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2101984081, now seen corresponding path program 1 times [2018-12-08 22:06:54,711 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:06:54,712 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:06:54,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:06:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:06:55,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:06:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:06:55,390 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:06:55,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:06:55,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:06:55,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:06:55,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:06:55,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:06:55,420 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-12-08 22:06:55,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:06:55,438 INFO L93 Difference]: Finished difference Result 156 states and 240 transitions. [2018-12-08 22:06:55,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:06:55,439 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-08 22:06:55,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:06:55,445 INFO L225 Difference]: With dead ends: 156 [2018-12-08 22:06:55,445 INFO L226 Difference]: Without dead ends: 78 [2018-12-08 22:06:55,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:06:55,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-08 22:06:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-08 22:06:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-08 22:06:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2018-12-08 22:06:55,474 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 22 [2018-12-08 22:06:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:06:55,474 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2018-12-08 22:06:55,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:06:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2018-12-08 22:06:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:06:55,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:06:55,476 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:06:55,476 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:06:55,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:06:55,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1503428723, now seen corresponding path program 1 times [2018-12-08 22:06:55,477 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:06:55,477 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:06:55,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:06:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:06:55,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:06:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:06:55,738 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:06:55,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:06:55,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:06:55,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:06:55,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:06:55,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:06:55,748 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand 7 states. [2018-12-08 22:07:06,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:07:06,616 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2018-12-08 22:07:06,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:07:06,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-08 22:07:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:07:06,619 INFO L225 Difference]: With dead ends: 90 [2018-12-08 22:07:06,619 INFO L226 Difference]: Without dead ends: 75 [2018-12-08 22:07:06,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:07:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-08 22:07:06,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-08 22:07:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-08 22:07:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2018-12-08 22:07:06,627 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2018-12-08 22:07:06,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:07:06,628 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2018-12-08 22:07:06,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:07:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-12-08 22:07:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:07:06,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:07:06,629 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:07:06,629 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:07:06,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:07:06,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1306915218, now seen corresponding path program 1 times [2018-12-08 22:07:06,630 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:07:06,630 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:07:06,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:07:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:07:10,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:07:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:07:10,665 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:07:10,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:07:10,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:07:10,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:07:10,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:07:10,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:07:10,717 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand 7 states. [2018-12-08 22:07:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:07:19,875 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-12-08 22:07:19,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:07:19,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-08 22:07:19,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:07:19,878 INFO L225 Difference]: With dead ends: 85 [2018-12-08 22:07:19,878 INFO L226 Difference]: Without dead ends: 74 [2018-12-08 22:07:19,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:07:19,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-08 22:07:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-08 22:07:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-08 22:07:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-12-08 22:07:19,886 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 23 [2018-12-08 22:07:19,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:07:19,886 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-12-08 22:07:19,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:07:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-12-08 22:07:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:07:19,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:07:19,887 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:07:19,888 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:07:19,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:07:19,888 INFO L82 PathProgramCache]: Analyzing trace with hash 727792143, now seen corresponding path program 1 times [2018-12-08 22:07:19,888 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:07:19,888 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:07:19,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:07:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:07:20,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:07:24,892 WARN L854 $PredicateComparison]: unable to prove that (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) is different from true [2018-12-08 22:07:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:07:24,990 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:07:25,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:07:25,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 22:07:25,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:07:25,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:07:25,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-12-08 22:07:25,005 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 9 states. [2018-12-08 22:07:53,232 WARN L180 SmtUtils]: Spent 9.16 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-08 22:07:54,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:07:54,624 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-12-08 22:07:54,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 22:07:54,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-08 22:07:54,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:07:54,626 INFO L225 Difference]: With dead ends: 81 [2018-12-08 22:07:54,626 INFO L226 Difference]: Without dead ends: 74 [2018-12-08 22:07:54,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 27.7s TimeCoverageRelationStatistics Valid=32, Invalid=103, Unknown=1, NotChecked=20, Total=156 [2018-12-08 22:07:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-08 22:07:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-08 22:07:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-08 22:07:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2018-12-08 22:07:54,630 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 24 [2018-12-08 22:07:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:07:54,630 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2018-12-08 22:07:54,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:07:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-12-08 22:07:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:07:54,631 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:07:54,631 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:07:54,631 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:07:54,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:07:54,632 INFO L82 PathProgramCache]: Analyzing trace with hash -121435068, now seen corresponding path program 1 times [2018-12-08 22:07:54,632 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:07:54,632 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/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 [2018-12-08 22:07:54,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:07:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:07:54,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:07:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:07:54,812 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:07:54,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:07:54,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:07:54,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:07:54,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:07:54,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:07:54,821 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 7 states. [2018-12-08 22:07:59,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:07:59,222 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2018-12-08 22:07:59,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:07:59,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-08 22:07:59,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:07:59,245 INFO L225 Difference]: With dead ends: 82 [2018-12-08 22:07:59,245 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 22:07:59,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:07:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 22:07:59,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-08 22:07:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-08 22:07:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-12-08 22:07:59,249 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 25 [2018-12-08 22:07:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:07:59,250 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-12-08 22:07:59,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:07:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-12-08 22:07:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 22:07:59,250 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:07:59,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:07:59,251 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:07:59,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:07:59,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2087590410, now seen corresponding path program 1 times [2018-12-08 22:07:59,251 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:07:59,251 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 22:07:59,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:03,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:08:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:08:03,636 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:08:03,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:03,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:08:03,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:08:03,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:08:03,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:08:03,697 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand 7 states. [2018-12-08 22:08:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:07,148 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-12-08 22:08:07,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:08:07,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-08 22:08:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:07,149 INFO L225 Difference]: With dead ends: 68 [2018-12-08 22:08:07,149 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:08:07,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:08:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:08:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:08:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:08:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:08:07,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-08 22:08:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:07,151 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:08:07,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:08:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:08:07,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:08:07,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:08:07,382 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 170 278) the Hoare annotation is: true [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 170 278) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 212) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 181) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L209-2(lines 209 212) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L451 ceAbstractionStarter]: At program point L176-2(lines 176 181) the Hoare annotation is: true [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 170 278) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L451 ceAbstractionStarter]: At program point L201-3(lines 201 202) the Hoare annotation is: true [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L201-4(lines 201 202) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 260) no Hoare annotation was computed. [2018-12-08 22:08:07,382 INFO L448 ceAbstractionStarter]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 265) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 269) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L268-2(lines 268 269) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 245) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L236-2(lines 236 245) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 206) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L195-2(lines 195 206) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 264) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 192) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L451 ceAbstractionStarter]: At program point L220-2(lines 220 230) the Hoare annotation is: true [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L187-2(lines 187 192) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L220-3(lines 220 230) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L451 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: true [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L196-3(lines 196 200) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 191) no Hoare annotation was computed. [2018-12-08 22:08:07,383 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 239) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 276) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L451 ceAbstractionStarter]: At program point L271-2(lines 271 276) the Hoare annotation is: true [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 239) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L271-3(lines 271 276) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L255(lines 255 263) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 170 278) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 191) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 242) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L241-2(lines 241 242) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L451 ceAbstractionStarter]: At program point L233-2(lines 233 249) the Hoare annotation is: true [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L233-3(lines 170 278) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 263) no Hoare annotation was computed. [2018-12-08 22:08:07,384 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 101) the Hoare annotation is: true [2018-12-08 22:08:07,384 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 101) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 101) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 321) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~2))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 315) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 295 364) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 318) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 295 364) the Hoare annotation is: true [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 295 364) no Hoare annotation was computed. [2018-12-08 22:08:07,385 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 347 352) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L444 ceAbstractionStarter]: At program point L347-2(lines 347 352) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~2))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L347-3(lines 347 352) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L306-1(lines 306 310) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L444 ceAbstractionStarter]: At program point L306-2(lines 306 310) the Hoare annotation is: (and (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_10)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= ((_ extract 63 32) v_prenex_11) __ieee754_acos_~hx~2)))) [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L306-3(lines 304 318) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 363) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L298-1(lines 298 302) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L444 ceAbstractionStarter]: At program point L298-2(lines 298 302) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L298-3(lines 298 302) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 363) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:08:07,386 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 22:08:07,387 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 366 382) the Hoare annotation is: true [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 366 382) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 366 382) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0) (= main_~x~0 .cse1))) [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-12-08 22:08:07,387 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-08 22:08:07,387 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-12-08 22:08:07,394 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,398 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:08:07 BoogieIcfgContainer [2018-12-08 22:08:07,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:08:07,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:08:07,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:08:07,402 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:08:07,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:06:54" (3/4) ... [2018-12-08 22:08:07,405 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:08:07,409 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-08 22:08:07,409 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-08 22:08:07,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:08:07,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-08 22:08:07,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:08:07,413 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 22:08:07,413 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-08 22:08:07,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 22:08:07,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:08:07,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 22:08:07,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && v_prenex_11[63:32] == hx) [2018-12-08 22:08:07,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && \old(x) == x [2018-12-08 22:08:07,452 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c78761a-a2e9-4706-87bd-7d1283bbb864/bin-2019/uautomizer/witness.graphml [2018-12-08 22:08:07,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:08:07,453 INFO L168 Benchmark]: Toolchain (without parser) took 88888.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 942.0 MB in the beginning and 816.0 MB in the end (delta: 126.0 MB). Peak memory consumption was 249.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,453 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:08:07,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 920.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,453 INFO L168 Benchmark]: Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:08:07,454 INFO L168 Benchmark]: RCFGBuilder took 15768.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,454 INFO L168 Benchmark]: TraceAbstraction took 72751.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.7 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,454 INFO L168 Benchmark]: Witness Printer took 49.92 ms. Allocated memory is still 1.2 GB. Free memory was 822.7 MB in the beginning and 816.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:08:07,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 920.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15768.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72751.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.7 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.92 ms. Allocated memory is still 1.2 GB. Free memory was 822.7 MB in the beginning and 816.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 377]: 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: 298]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 22:08:07,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && v_prenex_11[63:32] == hx) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,460 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,461 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-08 22:08:07,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && \old(x) == x - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 82 locations, 1 error locations. SAFE Result, 72.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 57.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 524 SDtfs, 161 SDslu, 2053 SDs, 0 SdLazy, 186 SolverSat, 7 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 29.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 227 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 20495 SizeOfPredicates, 21 NumberOfNonLiveVariables, 711 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...