./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_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_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ...................................................................................................................................................................................................................................................................................................................................... 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_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:35:43,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:35:43,976 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:35:43,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:35:43,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:35:43,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:35:43,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:35:43,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:35:43,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:35:43,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:35:43,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:35:43,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:35:43,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:35:43,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:35:43,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:35:43,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:35:43,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:35:43,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:35:43,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:35:43,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:35:43,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:35:43,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:35:43,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:35:43,994 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:35:43,994 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:35:43,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:35:43,995 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:35:43,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:35:43,996 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:35:43,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:35:43,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:35:43,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:35:43,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:35:43,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:35:43,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:35:43,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:35:43,998 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:35:44,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:35:44,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:35:44,006 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:35:44,006 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:35:44,007 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:35:44,007 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:35:44,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:35:44,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:35:44,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:35:44,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:35:44,009 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:35:44,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:35:44,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:35:44,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:35:44,010 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan 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 -> Taipan 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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-12-02 14:35:44,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:35:44,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:35:44,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:35:44,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:35:44,041 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:35:44,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-12-02 14:35:44,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/418512af4/b18faf15bce04b2499428e7512642952/FLAG4350da35a [2018-12-02 14:35:44,386 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:35:44,386 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-12-02 14:35:44,391 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/418512af4/b18faf15bce04b2499428e7512642952/FLAG4350da35a [2018-12-02 14:35:44,399 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/418512af4/b18faf15bce04b2499428e7512642952 [2018-12-02 14:35:44,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:35:44,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:35:44,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:35:44,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:35:44,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:35:44,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed1acf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44, skipping insertion in model container [2018-12-02 14:35:44,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:35:44,426 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:35:44,544 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:35:44,546 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:35:44,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:35:44,622 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:35:44,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44 WrapperNode [2018-12-02 14:35:44,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:35:44,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:35:44,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:35:44,623 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:35:44,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:35:44,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:35:44,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:35:44,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:35:44,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... [2018-12-02 14:35:44,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:35:44,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:35:44,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:35:44,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:35:44,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:35:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 14:35:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 14:35:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-02 14:35:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-02 14:35:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:35:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:35:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 14:35:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:35:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:35:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 14:35:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:35:44,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:35:44,953 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 14:35:44,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:44 BoogieIcfgContainer [2018-12-02 14:35:44,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:35:44,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:35:44,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:35:44,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:35:44,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:35:44" (1/3) ... [2018-12-02 14:35:44,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128dc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:44, skipping insertion in model container [2018-12-02 14:35:44,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:44" (2/3) ... [2018-12-02 14:35:44,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128dc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:44, skipping insertion in model container [2018-12-02 14:35:44,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:44" (3/3) ... [2018-12-02 14:35:44,958 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-12-02 14:35:44,964 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:35:44,969 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:35:44,978 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:35:44,997 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:35:44,997 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:35:44,997 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:35:44,997 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:35:44,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:35:44,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:35:44,997 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:35:44,997 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:35:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-12-02 14:35:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:35:45,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:35:45,012 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] [2018-12-02 14:35:45,014 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:35:45,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:35:45,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1161852501, now seen corresponding path program 1 times [2018-12-02 14:35:45,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:35:45,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:35:45,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:35:45,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:35:45,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:35:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:35:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:35:45,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:35:45,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:35:45,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:35:45,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:35:45,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:35:45,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:35:45,117 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-12-02 14:35:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:35:45,134 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2018-12-02 14:35:45,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:35:45,135 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 14:35:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:35:45,141 INFO L225 Difference]: With dead ends: 158 [2018-12-02 14:35:45,141 INFO L226 Difference]: Without dead ends: 79 [2018-12-02 14:35:45,143 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 [2018-12-02 14:35:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-02 14:35:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-02 14:35:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-02 14:35:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-12-02 14:35:45,169 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-12-02 14:35:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:35:45,169 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-12-02 14:35:45,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:35:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-12-02 14:35:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:35:45,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:35:45,170 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] [2018-12-02 14:35:45,171 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:35:45,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:35:45,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142383, now seen corresponding path program 1 times [2018-12-02 14:35:45,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:35:45,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:35:45,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:35:45,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:35:45,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:35:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:35:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:35:45,221 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 14:35:45,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:35:45 BoogieIcfgContainer [2018-12-02 14:35:45,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:35:45,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:35:45,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:35:45,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:35:45,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:44" (3/4) ... [2018-12-02 14:35:45,247 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 14:35:45,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:35:45,248 INFO L168 Benchmark]: Toolchain (without parser) took 846.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 956.7 MB in the beginning and 990.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:35:45,249 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:35:45,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:35:45,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:35:45,250 INFO L168 Benchmark]: Boogie Preprocessor took 27.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:35:45,250 INFO L168 Benchmark]: RCFGBuilder took 286.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:35:45,251 INFO L168 Benchmark]: TraceAbstraction took 290.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 990.9 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:35:45,251 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:35:45,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 990.9 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] 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(one_acos)=27, \old(one_sqrt)=17, \old(pi)=15, \old(pi)=19, \old(pi)=30, \old(pS0_acos)=9, \old(pS1_acos)=28, \old(pS2_acos)=29, \old(pS3_acos)=13, \old(pS4_acos)=18, \old(pS5_acos)=31, \old(qS1_acos)=12, \old(qS2_acos)=20, \old(qS3_acos)=23, \old(qS4_acos)=14, \old(tiny_sqrt)=26, 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] [L224] double x = 0.0 / 0.0; VAL [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] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=24, 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] [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [\old(x)=24, 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=24] [L150] ieee_double_shape_type gh_u; [L151] gh_u.value = (x) [L152] EXPR gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L154] ix = hx & 0x7fffffff VAL [\old(x)=24, hx=3, 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=24] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=24, hx=3, ix=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, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L170] COND TRUE ix < 0x3fe00000 VAL [\old(x)=24, 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=24] [L171] COND TRUE ix <= 0x3c600000 [L172] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=24, hx=3, ix=0, 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, x=24] [L225] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=16, 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=24] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=16, 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] [L17] return x != x; VAL [\old(x)=16, \result=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=16] [L228] RET, EXPR isnan_double(res) VAL [isnan_double(res)=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, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [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, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] - 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 [2018-12-02 14:35:46,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:35:46,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:35:46,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:35:46,585 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:35:46,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:35:46,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:35:46,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:35:46,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:35:46,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:35:46,588 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:35:46,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:35:46,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:35:46,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:35:46,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:35:46,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:35:46,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:35:46,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:35:46,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:35:46,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:35:46,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:35:46,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:35:46,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:35:46,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:35:46,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:35:46,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:35:46,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:35:46,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:35:46,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:35:46,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:35:46,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:35:46,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:35:46,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:35:46,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:35:46,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:35:46,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:35:46,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 14:35:46,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:35:46,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:35:46,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:35:46,607 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:35:46,607 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:35:46,607 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:35:46,607 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:35:46,607 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:35:46,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:35:46,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:35:46,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:35:46,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:35:46,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:35:46,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 14:35:46,610 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 14:35:46,610 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_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan 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 -> Taipan 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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-12-02 14:35:46,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:35:46,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:35:46,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:35:46,637 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:35:46,638 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:35:46,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-12-02 14:35:46,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/eba7507b7/cadb0ed3c6254a9593b6f55e6946ffb7/FLAGeb94cb53c [2018-12-02 14:35:47,028 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:35:47,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-12-02 14:35:47,032 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/eba7507b7/cadb0ed3c6254a9593b6f55e6946ffb7/FLAGeb94cb53c [2018-12-02 14:35:47,411 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/data/eba7507b7/cadb0ed3c6254a9593b6f55e6946ffb7 [2018-12-02 14:35:47,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:35:47,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:35:47,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:35:47,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:35:47,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:35:47,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47, skipping insertion in model container [2018-12-02 14:35:47,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:35:47,442 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:35:47,575 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:35:47,579 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:35:47,618 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:35:47,642 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:35:47,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47 WrapperNode [2018-12-02 14:35:47,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:35:47,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:35:47,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:35:47,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:35:47,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:35:47,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:35:47,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:35:47,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:35:47,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... [2018-12-02 14:35:47,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:35:47,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:35:47,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:35:47,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:35:47,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:35:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 14:35:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-02 14:35:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:35:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 14:35:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:35:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:35:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:35:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 14:35:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:35:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:35:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 14:35:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:35:48,185 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:35:49,710 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:35:58,639 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:36:01,737 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:36:01,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:36:01,751 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 14:36:01,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:01 BoogieIcfgContainer [2018-12-02 14:36:01,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:36:01,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:36:01,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:36:01,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:36:01,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:35:47" (1/3) ... [2018-12-02 14:36:01,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aaeab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:36:01, skipping insertion in model container [2018-12-02 14:36:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:47" (2/3) ... [2018-12-02 14:36:01,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aaeab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:36:01, skipping insertion in model container [2018-12-02 14:36:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:01" (3/3) ... [2018-12-02 14:36:01,756 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-12-02 14:36:01,762 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:36:01,768 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:36:01,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:36:01,795 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:36:01,796 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:36:01,796 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:36:01,796 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:36:01,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:36:01,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:36:01,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:36:01,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:36:01,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:36:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-12-02 14:36:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 14:36:01,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:36:01,811 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] [2018-12-02 14:36:01,812 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:36:01,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:36:01,815 INFO L82 PathProgramCache]: Analyzing trace with hash 2101984081, now seen corresponding path program 1 times [2018-12-02 14:36:01,817 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:36:01,818 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:36:01,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:36:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:36:02,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:36:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:36:02,511 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:36:02,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:36:02,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:36:02,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:36:02,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:36:02,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:36:02,543 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-12-02 14:36:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:36:02,561 INFO L93 Difference]: Finished difference Result 156 states and 240 transitions. [2018-12-02 14:36:02,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:36:02,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 14:36:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:36:02,568 INFO L225 Difference]: With dead ends: 156 [2018-12-02 14:36:02,568 INFO L226 Difference]: Without dead ends: 78 [2018-12-02 14:36:02,571 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 [2018-12-02 14:36:02,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-02 14:36:02,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-02 14:36:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-02 14:36:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2018-12-02 14:36:02,597 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 22 [2018-12-02 14:36:02,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:36:02,598 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2018-12-02 14:36:02,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:36:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2018-12-02 14:36:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:36:02,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:36:02,599 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] [2018-12-02 14:36:02,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:36:02,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:36:02,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1503428723, now seen corresponding path program 1 times [2018-12-02 14:36:02,600 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:36:02,600 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:36:02,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:36:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:36:02,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:36:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:36:02,855 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:36:02,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:36:02,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:36:02,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:36:02,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:36:02,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:36:02,865 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand 7 states. [2018-12-02 14:36:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:36:14,859 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2018-12-02 14:36:14,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:36:14,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-02 14:36:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:36:14,862 INFO L225 Difference]: With dead ends: 90 [2018-12-02 14:36:14,862 INFO L226 Difference]: Without dead ends: 75 [2018-12-02 14:36:14,863 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 [2018-12-02 14:36:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-02 14:36:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-02 14:36:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-02 14:36:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2018-12-02 14:36:14,871 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2018-12-02 14:36:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:36:14,871 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2018-12-02 14:36:14,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:36:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-12-02 14:36:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:36:14,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:36:14,873 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] [2018-12-02 14:36:14,873 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:36:14,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:36:14,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1306915218, now seen corresponding path program 1 times [2018-12-02 14:36:14,873 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:36:14,873 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:36:14,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:36:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:36:18,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:36:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:36:18,979 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:36:19,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:36:19,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:36:19,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:36:19,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:36:19,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:36:19,034 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand 7 states. [2018-12-02 14:36:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:36:29,372 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-12-02 14:36:29,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:36:29,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-02 14:36:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:36:29,375 INFO L225 Difference]: With dead ends: 85 [2018-12-02 14:36:29,375 INFO L226 Difference]: Without dead ends: 74 [2018-12-02 14:36:29,376 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 [2018-12-02 14:36:29,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-02 14:36:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-02 14:36:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 14:36:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-12-02 14:36:29,383 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 23 [2018-12-02 14:36:29,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:36:29,383 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-12-02 14:36:29,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:36:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-12-02 14:36:29,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:36:29,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:36:29,384 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] [2018-12-02 14:36:29,384 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:36:29,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:36:29,384 INFO L82 PathProgramCache]: Analyzing trace with hash 727792143, now seen corresponding path program 1 times [2018-12-02 14:36:29,384 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:36:29,385 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:36:29,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:36:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:36:30,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:36:42,327 WARN L180 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 14:36:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:36:57,025 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:36:57,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:36:57,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 14:36:57,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 14:36:57,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 14:36:57,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2018-12-02 14:36:57,042 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 9 states. [2018-12-02 14:37:10,891 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from true [2018-12-02 14:37:32,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:37:32,805 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-12-02 14:37:32,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:37:32,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-02 14:37:32,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:37:32,807 INFO L225 Difference]: With dead ends: 81 [2018-12-02 14:37:32,807 INFO L226 Difference]: Without dead ends: 74 [2018-12-02 14:37:32,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.9s TimeCoverageRelationStatistics Valid=31, Invalid=103, Unknown=2, NotChecked=20, Total=156 [2018-12-02 14:37:32,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-02 14:37:32,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-02 14:37:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 14:37:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2018-12-02 14:37:32,813 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 24 [2018-12-02 14:37:32,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:37:32,814 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2018-12-02 14:37:32,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 14:37:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-12-02 14:37:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:37:32,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:37:32,815 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] [2018-12-02 14:37:32,815 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:37:32,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:37:32,815 INFO L82 PathProgramCache]: Analyzing trace with hash -121435068, now seen corresponding path program 1 times [2018-12-02 14:37:32,816 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:37:32,816 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:37:32,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:37:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:37:32,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:37:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:37:33,000 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:37:33,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:37:33,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:37:33,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:37:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:37:33,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:37:33,009 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 7 states. [2018-12-02 14:37:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:37:36,975 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2018-12-02 14:37:36,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:37:36,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-02 14:37:36,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:37:36,997 INFO L225 Difference]: With dead ends: 82 [2018-12-02 14:37:36,997 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 14:37:36,997 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 [2018-12-02 14:37:36,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 14:37:37,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-02 14:37:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-02 14:37:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-12-02 14:37:37,001 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 25 [2018-12-02 14:37:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:37:37,001 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-12-02 14:37:37,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:37:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-12-02 14:37:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:37:37,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:37:37,002 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] [2018-12-02 14:37:37,003 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:37:37,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:37:37,003 INFO L82 PathProgramCache]: Analyzing trace with hash -2087590410, now seen corresponding path program 1 times [2018-12-02 14:37:37,003 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:37:37,003 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/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 [2018-12-02 14:37:37,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:37:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:37:41,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:37:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:37:41,423 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:37:41,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:37:41,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:37:41,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:37:41,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:37:41,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:37:41,484 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand 7 states. [2018-12-02 14:37:45,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:37:45,003 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-12-02 14:37:45,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:37:45,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-02 14:37:45,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:37:45,005 INFO L225 Difference]: With dead ends: 68 [2018-12-02 14:37:45,005 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:37:45,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:37:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:37:45,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:37:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:37:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:37:45,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-02 14:37:45,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:37:45,006 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:37:45,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:37:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:37:45,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:37:45,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:37:45,259 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-12-02 14:37:45,259 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-12-02 14:37:45,259 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-02 14:37:45,259 INFO L448 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: true [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L451 ceAbstractionStarter]: At program point L52-3(lines 52 53) the Hoare annotation is: true [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-12-02 14:37:45,260 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L451 ceAbstractionStarter]: At program point L71-2(lines 71 81) the Hoare annotation is: true [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L451 ceAbstractionStarter]: At program point L47-2(lines 47 51) the Hoare annotation is: true [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L451 ceAbstractionStarter]: At program point L122-2(lines 122 127) the Hoare annotation is: true [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-12-02 14:37:45,261 INFO L448 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L451 ceAbstractionStarter]: At program point L84-2(lines 84 100) the Hoare annotation is: true [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 169) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 146 215) no Hoare annotation was computed. [2018-12-02 14:37:45,262 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 146 215) the Hoare annotation is: true [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 146 215) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L444 ceAbstractionStarter]: At program point L198-2(lines 198 203) 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))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (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~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L444 ceAbstractionStarter]: At program point L190(line 190) 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))))) [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 161) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L444 ceAbstractionStarter]: At program point L157-2(lines 157 161) 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_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))) (= ((_ extract 63 32) v_prenex_10) __ieee754_acos_~hx~0)))) [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L157-3(lines 155 169) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 214) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-02 14:37:45,263 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 214) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 172) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L444 ceAbstractionStarter]: At program point L196(line 196) 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))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (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~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 166) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 14:37:45,264 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-12-02 14:37:45,264 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 217 234) the Hoare annotation is: true [2018-12-02 14:37:45,265 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 217 234) no Hoare annotation was computed. [2018-12-02 14:37:45,265 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 217 234) no Hoare annotation was computed. [2018-12-02 14:37:45,265 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-12-02 14:37:45,265 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (let ((.cse1 (fp.sub roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse1 .cse1)) main_~res~0))) [2018-12-02 14:37:45,265 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-12-02 14:37:45,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:37:45 BoogieIcfgContainer [2018-12-02 14:37:45,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:37:45,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:37:45,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:37:45,281 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:37:45,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:01" (3/4) ... [2018-12-02 14:37:45,284 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:37:45,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-02 14:37:45,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 14:37:45,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:37:45,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-02 14:37:45,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:37:45,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 14:37:45,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 14:37:45,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 14:37:45,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:37:45,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 14:37:45,309 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_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) [2018-12-02 14:37:45,309 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]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\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)) && \old(x) == x [2018-12-02 14:37:45,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5dfcb268-5668-41c1-a43a-6fa43da61056/bin-2019/utaipan/witness.graphml [2018-12-02 14:37:45,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:37:45,341 INFO L168 Benchmark]: Toolchain (without parser) took 117928.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 820.5 MB in the end (delta: 122.8 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,341 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.90 ms. Allocated memory is still 1.0 GB. Free memory is still 921.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: Boogie Preprocessor took 66.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: RCFGBuilder took 14021.51 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: TraceAbstraction took 103529.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.2 MB in the end (delta: 241.3 MB). Peak memory consumption was 241.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,342 INFO L168 Benchmark]: Witness Printer took 59.35 ms. Allocated memory is still 1.2 GB. Free memory was 827.2 MB in the beginning and 820.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:37:45,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 229.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 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 19.90 ms. Allocated memory is still 1.0 GB. Free memory is still 921.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14021.51 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 103529.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.2 MB in the end (delta: 241.3 MB). Peak memory consumption was 241.3 MB. Max. memory is 11.5 GB. * Witness Printer took 59.35 ms. Allocated memory is still 1.2 GB. Free memory was 827.2 MB in the beginning and 820.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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_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_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_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_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: 229]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2018-12-02 14:37:45,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,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_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) - InvariantResult [Line: 198]: Loop Invariant [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 14:37:45,350 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]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\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)) && \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 82 locations, 1 error locations. SAFE Result, 103.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 65.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 525 SDtfs, 157 SDslu, 2134 SDs, 0 SdLazy, 199 SolverSat, 7 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 47.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36.9s 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, 215 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 19885 SizeOfPredicates, 21 NumberOfNonLiveVariables, 693 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...