./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480_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_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 d52986c59e68ce8d16e7f783a8a5ec11939c887c .................................................................................................................................................................................................................................................................................................................................................. 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_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 d52986c59e68ce8d16e7f783a8a5ec11939c887c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:20:56,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:20:56,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:20:56,750 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:20:56,751 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:20:56,751 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:20:56,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:20:56,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:20:56,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:20:56,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:20:56,754 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:20:56,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:20:56,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:20:56,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:20:56,756 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:20:56,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:20:56,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:20:56,757 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:20:56,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:20:56,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:20:56,760 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:20:56,760 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:20:56,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:20:56,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:20:56,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:20:56,762 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:20:56,762 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:20:56,763 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:20:56,763 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:20:56,764 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:20:56,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:20:56,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:20:56,764 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:20:56,764 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:20:56,765 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:20:56,765 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:20:56,765 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:20:56,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:20:56,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:20:56,773 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:20:56,773 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:20:56,773 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:20:56,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:20:56,774 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:20:56,775 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:20:56,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:20:56,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:20:56,776 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:20:56,776 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_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2018-12-09 16:20:56,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:20:56,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:20:56,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:20:56,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:20:56,803 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:20:56,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c [2018-12-09 16:20:56,849 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/d879bdcc7/ad73cb6cb3454575a66a734606a78870/FLAG6961e1d3f [2018-12-09 16:20:57,278 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:20:57,279 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c [2018-12-09 16:20:57,283 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/d879bdcc7/ad73cb6cb3454575a66a734606a78870/FLAG6961e1d3f [2018-12-09 16:20:57,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/d879bdcc7/ad73cb6cb3454575a66a734606a78870 [2018-12-09 16:20:57,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:20:57,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:20:57,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:20:57,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:20:57,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:20:57,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57, skipping insertion in model container [2018-12-09 16:20:57,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:20:57,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:20:57,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:20:57,441 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:20:57,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:20:57,517 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:20:57,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57 WrapperNode [2018-12-09 16:20:57,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:20:57,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:20:57,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:20:57,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:20:57,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:20:57,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:20:57,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:20:57,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:20:57,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... [2018-12-09 16:20:57,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:20:57,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:20:57,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:20:57,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:20:57,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:20:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 16:20:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 16:20:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 16:20:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:20:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 16:20:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:20:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:20:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 16:20:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:20:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:20:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:20:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 16:20:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:20:57,883 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:20:57,883 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 16:20:57,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:57 BoogieIcfgContainer [2018-12-09 16:20:57,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:20:57,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:20:57,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:20:57,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:20:57,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:20:57" (1/3) ... [2018-12-09 16:20:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09c0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:20:57, skipping insertion in model container [2018-12-09 16:20:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:57" (2/3) ... [2018-12-09 16:20:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09c0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:20:57, skipping insertion in model container [2018-12-09 16:20:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:57" (3/3) ... [2018-12-09 16:20:57,888 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480_true-unreach-call.c [2018-12-09 16:20:57,894 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:20:57,899 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:20:57,908 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:20:57,929 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:20:57,929 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:20:57,930 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:20:57,930 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:20:57,930 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:20:57,930 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:20:57,930 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:20:57,930 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:20:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-12-09 16:20:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 16:20:57,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:20:57,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:20:57,948 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:20:57,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:20:57,951 INFO L82 PathProgramCache]: Analyzing trace with hash 274996296, now seen corresponding path program 1 times [2018-12-09 16:20:57,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:20:57,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:20:57,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:20:57,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:20:57,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:20:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:20:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:20:58,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:20:58,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:20:58,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:20:58,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:20:58,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:20:58,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:20:58,066 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-12-09 16:20:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:20:58,087 INFO L93 Difference]: Finished difference Result 166 states and 257 transitions. [2018-12-09 16:20:58,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:20:58,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 16:20:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:20:58,095 INFO L225 Difference]: With dead ends: 166 [2018-12-09 16:20:58,095 INFO L226 Difference]: Without dead ends: 83 [2018-12-09 16:20:58,097 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 [2018-12-09 16:20:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-09 16:20:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-09 16:20:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-09 16:20:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 110 transitions. [2018-12-09 16:20:58,127 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 110 transitions. Word has length 19 [2018-12-09 16:20:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:20:58,128 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 110 transitions. [2018-12-09 16:20:58,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:20:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2018-12-09 16:20:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 16:20:58,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:20:58,129 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] [2018-12-09 16:20:58,129 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:20:58,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:20:58,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1565519631, now seen corresponding path program 1 times [2018-12-09 16:20:58,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:20:58,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:20:58,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:20:58,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:20:58,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:20:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:20:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:20:58,176 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 16:20:58,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:20:58 BoogieIcfgContainer [2018-12-09 16:20:58,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:20:58,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:20:58,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:20:58,199 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:20:58,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:57" (3/4) ... [2018-12-09 16:20:58,201 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 16:20:58,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:20:58,202 INFO L168 Benchmark]: Toolchain (without parser) took 909.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:20:58,203 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:20:58,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:20:58,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.76 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:20:58,204 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:20:58,204 INFO L168 Benchmark]: RCFGBuilder took 315.81 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: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:20:58,204 INFO L168 Benchmark]: TraceAbstraction took 314.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:20:58,205 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:20:58,206 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.76 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.81 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: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 314.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 237]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 145, overapproximation of bitwiseAnd at line 163, overapproximation of someBinaryArithmeticDOUBLEoperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 236. Possible FailurePath: [L28] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L140-L153] 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)=6442450963, \old(one_sqrt)=6442450954, \old(pi)=6442450952, \old(pi)=6442450966, \old(pi)=6442450956, \old(pS0_acos)=6442450945, \old(pS1_acos)=6442450964, \old(pS2_acos)=6442450965, \old(pS3_acos)=6442450948, \old(pS4_acos)=6442450955, \old(pS5_acos)=6442450967, \old(qS1_acos)=6442450947, \old(qS2_acos)=6442450957, \old(qS3_acos)=6442450959, \old(qS4_acos)=6442450949, \old(tiny_sqrt)=6442450960, 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] [L232] double x = 1.0; 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, x=1] [L233] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=1, 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] [L156] double z, p, q, r, w, s, c, df; [L157] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L159] ieee_double_shape_type gh_u; [L160] gh_u.value = (x) [L161] EXPR gh_u.parts.msw [L161] (hx) = gh_u.parts.msw [L163] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=-2147483648, 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=1] [L164] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1, hx=-2147483648, ix=1012924417, 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=1] [L179] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1, hx=-2147483648, ix=1012924417, 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=1] [L180] COND FALSE !(ix <= 0x3c600000) [L182] z = x * x [L183-L186] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L187-L188] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L189] r = p / q [L190] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [\old(x)=1, hx=-2147483648, ix=1012924417, 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=1] [L233] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=6442450953, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L233] double res = __ieee754_acos(x); [L236] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450953, res == 0.0 && __signbit_double(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L236] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L237] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 87 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 114 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=87occurred 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, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 [2018-12-09 16:20:59,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:20:59,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:20:59,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:20:59,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:20:59,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:20:59,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:20:59,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:20:59,468 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:20:59,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:20:59,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:20:59,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:20:59,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:20:59,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:20:59,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:20:59,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:20:59,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:20:59,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:20:59,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:20:59,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:20:59,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:20:59,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:20:59,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:20:59,476 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:20:59,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:20:59,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:20:59,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:20:59,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:20:59,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:20:59,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:20:59,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:20:59,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:20:59,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:20:59,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:20:59,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:20:59,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:20:59,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 16:20:59,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:20:59,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:20:59,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:20:59,487 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:20:59,487 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:20:59,487 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:20:59,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:20:59,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:20:59,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:20:59,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:20:59,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 16:20:59,490 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 16:20:59,490 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_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2018-12-09 16:20:59,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:20:59,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:20:59,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:20:59,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:20:59,518 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:20:59,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c [2018-12-09 16:20:59,552 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/7c6670ab4/15355d099080421bad23b452834d7554/FLAG26dcc44d7 [2018-12-09 16:20:59,941 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:20:59,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/sv-benchmarks/c/float-newlib/double_req_bl_0480_true-unreach-call.c [2018-12-09 16:20:59,946 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/7c6670ab4/15355d099080421bad23b452834d7554/FLAG26dcc44d7 [2018-12-09 16:20:59,954 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/data/7c6670ab4/15355d099080421bad23b452834d7554 [2018-12-09 16:20:59,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:20:59,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:20:59,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:20:59,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:20:59,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:20:59,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:59" (1/1) ... [2018-12-09 16:20:59,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:59, skipping insertion in model container [2018-12-09 16:20:59,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:59" (1/1) ... [2018-12-09 16:20:59,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:20:59,981 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:21:00,102 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:21:00,106 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:21:00,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:21:00,157 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:21:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00 WrapperNode [2018-12-09 16:21:00,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:21:00,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:21:00,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:21:00,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:21:00,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:21:00,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:21:00,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:21:00,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:21:00,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... [2018-12-09 16:21:00,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:21:00,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:21:00,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:21:00,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:21:00,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 16:21:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 16:21:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 16:21:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 16:21:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 16:21:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 16:21:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:21:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:21:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 16:21:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 16:21:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:21:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:21:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:21:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 16:21:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:21:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:21:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 16:21:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:21:00,671 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:21:02,270 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:21:11,740 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:21:14,840 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:21:14,871 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:21:14,886 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:21:14,886 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 16:21:14,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:21:14 BoogieIcfgContainer [2018-12-09 16:21:14,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:21:14,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:21:14,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:21:14,888 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:21:14,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:20:59" (1/3) ... [2018-12-09 16:21:14,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b0a1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:21:14, skipping insertion in model container [2018-12-09 16:21:14,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:00" (2/3) ... [2018-12-09 16:21:14,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b0a1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:21:14, skipping insertion in model container [2018-12-09 16:21:14,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:21:14" (3/3) ... [2018-12-09 16:21:14,890 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480_true-unreach-call.c [2018-12-09 16:21:14,895 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:21:14,900 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:21:14,908 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:21:14,925 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:21:14,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:21:14,926 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:21:14,926 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:21:14,926 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:21:14,926 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:21:14,926 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:21:14,926 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:21:14,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:21:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-12-09 16:21:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 16:21:14,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:14,940 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:21:14,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:14,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:14,944 INFO L82 PathProgramCache]: Analyzing trace with hash 274996296, now seen corresponding path program 1 times [2018-12-09 16:21:14,946 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:14,947 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:14,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:15,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:15,620 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:15,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:15,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:21:15,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:21:15,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:21:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:21:15,649 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-12-09 16:21:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:15,667 INFO L93 Difference]: Finished difference Result 166 states and 257 transitions. [2018-12-09 16:21:15,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:21:15,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 16:21:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:15,674 INFO L225 Difference]: With dead ends: 166 [2018-12-09 16:21:15,674 INFO L226 Difference]: Without dead ends: 83 [2018-12-09 16:21:15,676 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:21:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-09 16:21:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-09 16:21:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-09 16:21:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 110 transitions. [2018-12-09 16:21:15,703 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 110 transitions. Word has length 19 [2018-12-09 16:21:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:15,703 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 110 transitions. [2018-12-09 16:21:15,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:21:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2018-12-09 16:21:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 16:21:15,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:15,705 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:21:15,705 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:15,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:15,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1565519631, now seen corresponding path program 1 times [2018-12-09 16:21:15,706 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:15,706 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:15,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:19,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:19,751 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:19,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:19,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:21:19,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:21:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:21:19,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:21:19,806 INFO L87 Difference]: Start difference. First operand 83 states and 110 transitions. Second operand 7 states. [2018-12-09 16:21:20,182 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-09 16:21:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:30,609 INFO L93 Difference]: Finished difference Result 102 states and 129 transitions. [2018-12-09 16:21:30,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:21:30,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 16:21:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:30,612 INFO L225 Difference]: With dead ends: 102 [2018-12-09 16:21:30,612 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 16:21:30,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:21:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 16:21:30,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2018-12-09 16:21:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-09 16:21:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2018-12-09 16:21:30,618 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 20 [2018-12-09 16:21:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:30,618 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2018-12-09 16:21:30,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:21:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2018-12-09 16:21:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 16:21:30,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:30,619 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] [2018-12-09 16:21:30,619 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:30,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:30,619 INFO L82 PathProgramCache]: Analyzing trace with hash -625708214, now seen corresponding path program 1 times [2018-12-09 16:21:30,619 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:30,619 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:30,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:31,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:31,531 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:31,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:31,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 16:21:31,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 16:21:31,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 16:21:31,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:21:31,547 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand 8 states. [2018-12-09 16:21:32,139 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-12-09 16:21:38,074 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-09 16:21:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:38,493 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2018-12-09 16:21:38,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:21:38,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-12-09 16:21:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:38,497 INFO L225 Difference]: With dead ends: 94 [2018-12-09 16:21:38,497 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 16:21:38,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-12-09 16:21:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 16:21:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2018-12-09 16:21:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-09 16:21:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2018-12-09 16:21:38,501 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 21 [2018-12-09 16:21:38,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:38,502 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2018-12-09 16:21:38,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 16:21:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2018-12-09 16:21:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 16:21:38,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:38,502 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] [2018-12-09 16:21:38,502 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:38,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:38,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1436849309, now seen corresponding path program 1 times [2018-12-09 16:21:38,503 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:38,503 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:38,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:38,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:38,601 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:38,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:38,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 16:21:38,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:21:38,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:21:38,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:21:38,609 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 5 states. [2018-12-09 16:21:42,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:42,055 INFO L93 Difference]: Finished difference Result 84 states and 106 transitions. [2018-12-09 16:21:42,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 16:21:42,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-09 16:21:42,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:42,057 INFO L225 Difference]: With dead ends: 84 [2018-12-09 16:21:42,057 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 16:21:42,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:21:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 16:21:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 16:21:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 16:21:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2018-12-09 16:21:42,064 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 22 [2018-12-09 16:21:42,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:42,064 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2018-12-09 16:21:42,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:21:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2018-12-09 16:21:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 16:21:42,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:42,065 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] [2018-12-09 16:21:42,065 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:42,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:42,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1970614306, now seen corresponding path program 1 times [2018-12-09 16:21:42,066 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:42,066 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:42,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:42,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:42,353 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:42,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:42,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:21:42,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:21:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:21:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:21:42,363 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand 6 states. [2018-12-09 16:21:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:46,470 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2018-12-09 16:21:46,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:21:46,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 16:21:46,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:46,473 INFO L225 Difference]: With dead ends: 96 [2018-12-09 16:21:46,473 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 16:21:46,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:21:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 16:21:46,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 16:21:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 16:21:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2018-12-09 16:21:46,479 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 22 [2018-12-09 16:21:46,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:46,479 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2018-12-09 16:21:46,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:21:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2018-12-09 16:21:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 16:21:46,480 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:46,480 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] [2018-12-09 16:21:46,480 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:46,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:46,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1074270847, now seen corresponding path program 1 times [2018-12-09 16:21:46,481 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:46,481 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/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 [2018-12-09 16:21:46,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:50,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:50,833 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:50,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:50,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:21:50,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:21:50,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:21:50,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:21:50,894 INFO L87 Difference]: Start difference. First operand 81 states and 102 transitions. Second operand 7 states. [2018-12-09 16:21:54,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:54,511 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2018-12-09 16:21:54,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:21:54,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 16:21:54,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:54,513 INFO L225 Difference]: With dead ends: 92 [2018-12-09 16:21:54,513 INFO L226 Difference]: Without dead ends: 31 [2018-12-09 16:21:54,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:21:54,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-09 16:21:54,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-09 16:21:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-09 16:21:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-12-09 16:21:54,516 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 28 [2018-12-09 16:21:54,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:54,517 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-12-09 16:21:54,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:21:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-12-09 16:21:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 16:21:54,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:21:54,517 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] [2018-12-09 16:21:54,518 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:21:54,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:21:54,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1479552794, now seen corresponding path program 1 times [2018-12-09 16:21:54,518 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 16:21:54,518 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 16:21:54,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:21:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:21:54,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:21:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:21:54,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:21:54,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:21:54,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 16:21:54,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:21:54,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:21:54,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:21:54,777 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 10 states. [2018-12-09 16:21:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:21:55,158 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-12-09 16:21:55,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:21:55,158 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-12-09 16:21:55,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:21:55,159 INFO L225 Difference]: With dead ends: 31 [2018-12-09 16:21:55,159 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:21:55,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-12-09 16:21:55,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:21:55,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:21:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:21:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:21:55,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-09 16:21:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:21:55,160 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:21:55,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:21:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:21:55,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:21:55,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:21:55,562 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-09 16:21:55,569 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 30 138) the Hoare annotation is: true [2018-12-09 16:21:55,569 INFO L451 ceAbstractionStarter]: At program point L93-2(lines 93 109) the Hoare annotation is: true [2018-12-09 16:21:55,569 INFO L448 ceAbstractionStarter]: For program point L93-3(lines 30 138) no Hoare annotation was computed. [2018-12-09 16:21:55,569 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 30 138) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 123) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 41) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 72) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L451 ceAbstractionStarter]: At program point L36-2(lines 36 41) the Hoare annotation is: true [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L36-3(lines 30 138) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 62) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L451 ceAbstractionStarter]: At program point L61-3(lines 61 62) the Hoare annotation is: true [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L61-4(lines 61 62) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 125) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L128(lines 128 129) no Hoare annotation was computed. [2018-12-09 16:21:55,570 INFO L448 ceAbstractionStarter]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 105) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L96-2(lines 96 105) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 66) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 66) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 124) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 52) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L451 ceAbstractionStarter]: At program point L80-2(lines 80 90) the Hoare annotation is: true [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L448 ceAbstractionStarter]: For program point L80-3(lines 80 90) no Hoare annotation was computed. [2018-12-09 16:21:55,571 INFO L451 ceAbstractionStarter]: At program point L56-2(lines 56 60) the Hoare annotation is: true [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 99) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 136) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L451 ceAbstractionStarter]: At program point L131-2(lines 131 136) the Hoare annotation is: true [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L98-2(lines 98 99) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L131-3(lines 131 136) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 30 138) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 123) no Hoare annotation was computed. [2018-12-09 16:21:55,572 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 86) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 51) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 102) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point L101-2(lines 101 102) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:21:55,573 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2018-12-09 16:21:55,580 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 155 224) no Hoare annotation was computed. [2018-12-09 16:21:55,580 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) (_ bv1072693248 32))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_6|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 16:21:55,580 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 175) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 178) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 155 224) the Hoare annotation is: true [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 155 224) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 207 212) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L444 ceAbstractionStarter]: At program point L207-2(lines 207 212) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) (_ bv1072693248 32))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_6|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L207-3(lines 207 212) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_9|)) (_ bv1072693248 32))))) [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-12-09 16:21:55,581 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L444 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) __ieee754_acos_~x) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_7|)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_8|) __ieee754_acos_~hx~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L166-3(lines 164 178) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 223) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L444 ceAbstractionStarter]: At program point L158-2(lines 158 162) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 223) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 16 26) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 16 26) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-09 16:21:55,582 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-12-09 16:21:55,582 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 16 26) the Hoare annotation is: true [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 16:21:55,583 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 237) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 226 242) the Hoare annotation is: true [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 226 242) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 226 242) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L444 ceAbstractionStarter]: At program point L236-1(line 236) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0) |main_#t~short19| (= (_ +zero 11 53) main_~res~0)) [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point L236-2(line 236) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0) [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-12-09 16:21:55,583 INFO L448 ceAbstractionStarter]: For program point L236-4(lines 236 239) no Hoare annotation was computed. [2018-12-09 16:21:55,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:21:55 BoogieIcfgContainer [2018-12-09 16:21:55,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:21:55,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:21:55,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:21:55,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:21:55,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:21:14" (3/4) ... [2018-12-09 16:21:55,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:21:55,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-09 16:21:55,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:21:55,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-09 16:21:55,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-09 16:21:55,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:21:55,614 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-12-09 16:21:55,615 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 16:21:55,615 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 16:21:55,615 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:21:55,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 16:21:55,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 16:21:55,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == x && ~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]) == ix) && \old(x) == x) && (\exists v_q#valueAsBitvector_8 : bv64 :: v_q#valueAsBitvector_8[63:32] == hx && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) [2018-12-09 16:21:55,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), 1072693248bv32)) && (\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && v_q#valueAsBitvector_6[63:32] == hx)) && (\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && ~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]) == ix)) && \old(x) == x [2018-12-09 16:21:55,662 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72819b17-c7d8-4b18-ac6b-1c82edb0c89a/bin-2019/utaipan/witness.graphml [2018-12-09 16:21:55,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:21:55,663 INFO L168 Benchmark]: Toolchain (without parser) took 55706.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -230.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:21:55,664 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. [2018-12-09 16:21:55,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 923.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -209.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,664 INFO L168 Benchmark]: Boogie Preprocessor took 29.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,664 INFO L168 Benchmark]: RCFGBuilder took 14653.39 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,665 INFO L168 Benchmark]: TraceAbstraction took 40713.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.3 MB). Peak memory consumption was 279.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,665 INFO L168 Benchmark]: Witness Printer took 61.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:21:55,666 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 199.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 923.2 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 46.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -209.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14653.39 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40713.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.3 MB). Peak memory consumption was 279.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 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_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 237]: 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: 207]: Loop Invariant [2018-12-09 16:21:55,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 16:21:55,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: (((\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), 1072693248bv32)) && (\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && v_q#valueAsBitvector_6[63:32] == hx)) && (\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && ~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]) == ix)) && \old(x) == x - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant [2018-12-09 16:21:55,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 16:21:55,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == x && ~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]) == ix) && \old(x) == x) && (\exists v_q#valueAsBitvector_8 : bv64 :: v_q#valueAsBitvector_8[63:32] == hx && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 87 locations, 1 error locations. SAFE Result, 40.6s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 29.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 597 SDtfs, 184 SDslu, 1966 SDs, 0 SdLazy, 207 SolverSat, 12 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 24.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 52 PreInvPairs, 71 NumberOfFragments, 196 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 155 ConstructedInterpolants, 37 QuantifiedInterpolants, 20811 SizeOfPredicates, 21 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...