./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................. 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_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:55:49,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:55:49,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:55:49,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:55:49,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:55:49,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:55:49,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:55:49,760 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:55:49,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:55:49,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:55:49,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:55:49,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:55:49,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:55:49,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:55:49,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:55:49,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:55:49,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:55:49,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:55:49,771 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:55:49,772 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:55:49,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:55:49,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:55:49,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:55:49,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:55:49,777 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:55:49,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:55:49,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:55:49,779 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:55:49,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:55:49,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:55:49,781 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:55:49,782 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:55:49,782 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:55:49,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:55:49,784 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:55:49,785 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:55:49,785 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:55:49,796 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:55:49,797 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:55:49,797 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:55:49,798 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:55:49,798 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:55:49,799 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:55:49,799 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:55:49,799 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:55:49,801 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:55:49,801 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:55:49,801 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:55:49,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:55:49,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:55:49,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:55:49,802 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:55:49,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:55:49,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:55:49,803 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:55:49,804 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:55:49,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:55:49,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:55:49,804 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:55:49,804 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_0b372578-cc9c-4912-874d-13d463affeeb/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-11-18 13:55:49,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:55:49,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:55:49,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:55:49,846 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:55:49,846 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:55:49,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:55:49,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/155610c06/da42a0928e6449e9becdbec13a3d53f2/FLAG49a6d33a6 [2018-11-18 13:55:50,276 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:55:50,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:55:50,283 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/155610c06/da42a0928e6449e9becdbec13a3d53f2/FLAG49a6d33a6 [2018-11-18 13:55:50,294 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/155610c06/da42a0928e6449e9becdbec13a3d53f2 [2018-11-18 13:55:50,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:55:50,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:55:50,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:50,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:55:50,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:55:50,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33092fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50, skipping insertion in model container [2018-11-18 13:55:50,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:55:50,342 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:55:50,519 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:50,523 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:55:50,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:50,581 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:55:50,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50 WrapperNode [2018-11-18 13:55:50,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:50,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:50,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:55:50,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:55:50,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:50,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:55:50,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:55:50,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:55:50,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... [2018-11-18 13:55:50,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:55:50,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:55:50,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:55:50,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:55:50,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:55:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:55:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:55:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 13:55:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:55:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 13:55:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:55:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:55:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:55:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:55:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:55:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 13:55:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 13:55:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:55:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 13:55:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 13:55:51,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:55:51,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:51 BoogieIcfgContainer [2018-11-18 13:55:51,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:55:51,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:55:51,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:55:51,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:55:51,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:55:50" (1/3) ... [2018-11-18 13:55:51,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4866b31c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:55:51, skipping insertion in model container [2018-11-18 13:55:51,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:50" (2/3) ... [2018-11-18 13:55:51,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4866b31c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:55:51, skipping insertion in model container [2018-11-18 13:55:51,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:51" (3/3) ... [2018-11-18 13:55:51,620 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:55:51,627 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:55:51,633 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:55:51,644 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:55:51,670 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:55:51,670 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:55:51,671 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:55:51,671 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:55:51,671 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:55:51,671 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:55:51,671 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:55:51,671 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:55:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-18 13:55:51,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:55:51,696 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:55:51,697 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:51,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:55:51,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:51,703 INFO L82 PathProgramCache]: Analyzing trace with hash -801745279, now seen corresponding path program 1 times [2018-11-18 13:55:51,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:55:51,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:51,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:51,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:51,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:55:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:55:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:55:51,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:55:51,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:55:51,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:55:51,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:55:51,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:55:51,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:55:51,853 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-18 13:55:51,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:55:51,881 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-18 13:55:51,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:55:51,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 13:55:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:55:51,893 INFO L225 Difference]: With dead ends: 156 [2018-11-18 13:55:51,893 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 13:55:51,898 INFO L604 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 [2018-11-18 13:55:51,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 13:55:51,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 13:55:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 13:55:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-18 13:55:51,938 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-18 13:55:51,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:55:51,939 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-18 13:55:51,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:55:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-18 13:55:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:55:51,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:55:51,943 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:51,944 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:55:51,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:51,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1131979097, now seen corresponding path program 1 times [2018-11-18 13:55:51,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:55:51,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:51,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:51,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:51,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:55:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:52,058 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:55:52,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:55:52 BoogieIcfgContainer [2018-11-18 13:55:52,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:55:52,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:55:52,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:55:52,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:55:52,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:51" (3/4) ... [2018-11-18 13:55:52,099 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:55:52,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:55:52,099 INFO L168 Benchmark]: Toolchain (without parser) took 1802.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 959.6 MB in the beginning and 1.0 GB in the end (delta: -83.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,101 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:55:52,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.84 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 943.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,102 INFO L168 Benchmark]: Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,103 INFO L168 Benchmark]: RCFGBuilder took 858.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,104 INFO L168 Benchmark]: TraceAbstraction took 478.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:55:52,104 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:55:52,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.84 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 943.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 858.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 478.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.83 ms. Allocated memory is still 1.1 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450965, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450960, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450958, \old(pS1_asin)=6442450953, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450957, \old(pS4_asin)=6442450963, \old(pS5_asin)=6442450955, \old(qS1_asin)=6442450967, \old(qS2_asin)=6442450964, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450961, \old(tiny_sqrt)=6442450962, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450954, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=6442450954, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L121] FCALL ieee_float_shape_type gf_u; [L122] FCALL gf_u.value = (x) [L123] EXPR, FCALL gf_u.word [L123] (hx) = gf_u.word [L124] COND FALSE !(0) VAL [\old(x)=6442450954, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L125] ix = hx & 0x7fffffff VAL [\old(x)=6442450954, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450954, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450966, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450966, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450966, tiny_sqrt=1/1000000000000000000000000000000, x=6442450954] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 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=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 0.1.23-5842f4b [2018-11-18 13:55:53,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:55:53,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:55:53,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:55:53,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:55:53,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:55:53,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:55:53,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:55:53,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:55:53,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:55:53,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:55:53,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:55:53,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:55:53,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:55:53,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:55:53,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:55:53,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:55:53,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:55:53,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:55:53,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:55:53,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:55:53,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:55:53,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:55:53,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:55:53,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:55:53,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:55:53,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:55:53,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:55:53,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:55:53,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:55:53,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:55:53,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:55:53,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:55:53,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:55:53,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:55:53,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:55:53,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 13:55:53,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:55:53,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:55:53,849 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:55:53,849 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:55:53,849 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:55:53,849 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:55:53,850 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:55:53,850 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:55:53,850 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:55:53,850 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:55:53,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:55:53,851 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:55:53,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:55:53,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:55:53,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:55:53,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:55:53,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:55:53,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:55:53,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:55:53,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:55:53,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:55:53,855 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:55:53,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:55:53,855 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:55:53,855 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:55:53,855 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_0b372578-cc9c-4912-874d-13d463affeeb/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-11-18 13:55:53,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:55:53,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:55:53,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:55:53,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:55:53,915 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:55:53,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:55:53,960 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/10a0df9c2/79102658f6644ea8ba0ffd24655ff901/FLAG8cf274e24 [2018-11-18 13:55:54,335 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:55:54,335 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:55:54,341 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/10a0df9c2/79102658f6644ea8ba0ffd24655ff901/FLAG8cf274e24 [2018-11-18 13:55:54,350 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/data/10a0df9c2/79102658f6644ea8ba0ffd24655ff901 [2018-11-18 13:55:54,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:55:54,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:55:54,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:54,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:55:54,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:55:54,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e62040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54, skipping insertion in model container [2018-11-18 13:55:54,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:55:54,397 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:55:54,576 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:54,582 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:55:54,642 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:54,667 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:55:54,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54 WrapperNode [2018-11-18 13:55:54,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:54,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:54,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:55:54,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:55:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:54,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:55:54,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:55:54,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:55:54,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... [2018-11-18 13:55:54,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:55:54,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:55:54,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:55:54,787 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:55:54,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:55:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 13:55:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 13:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 13:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:55:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 13:55:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:55:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 13:55:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 13:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 13:55:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 13:56:05,247 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:56:06,035 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:56:06,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:56:06,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:56:06 BoogieIcfgContainer [2018-11-18 13:56:06,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:56:06,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:56:06,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:56:06,048 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:56:06,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:55:54" (1/3) ... [2018-11-18 13:56:06,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6450c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:56:06, skipping insertion in model container [2018-11-18 13:56:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:54" (2/3) ... [2018-11-18 13:56:06,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6450c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:56:06, skipping insertion in model container [2018-11-18 13:56:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:56:06" (3/3) ... [2018-11-18 13:56:06,050 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-11-18 13:56:06,060 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:56:06,066 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:56:06,079 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:56:06,100 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:56:06,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:56:06,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:56:06,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:56:06,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:56:06,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:56:06,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:56:06,101 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:56:06,102 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:56:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-18 13:56:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:56:06,121 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:06,122 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:06,124 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:06,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:06,128 INFO L82 PathProgramCache]: Analyzing trace with hash -801745279, now seen corresponding path program 1 times [2018-11-18 13:56:06,131 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:06,131 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:06,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:06,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:06,369 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:06,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:06,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:56:06,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:56:06,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:56:06,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:56:06,397 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-18 13:56:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:06,429 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-18 13:56:06,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:56:06,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 13:56:06,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:06,443 INFO L225 Difference]: With dead ends: 156 [2018-11-18 13:56:06,445 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 13:56:06,448 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:56:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 13:56:06,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 13:56:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 13:56:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-18 13:56:06,489 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-18 13:56:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:06,490 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-18 13:56:06,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:56:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-18 13:56:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:56:06,491 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:06,491 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:06,492 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:06,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:06,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1131979097, now seen corresponding path program 1 times [2018-11-18 13:56:06,493 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:06,493 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:06,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:06,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:06,913 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:06,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:06,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:56:06,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:56:06,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:56:06,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:06,925 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand 7 states. [2018-11-18 13:56:13,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:13,472 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2018-11-18 13:56:13,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:56:13,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-18 13:56:13,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:13,476 INFO L225 Difference]: With dead ends: 95 [2018-11-18 13:56:13,476 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 13:56:13,477 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:56:13,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 13:56:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-11-18 13:56:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 13:56:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2018-11-18 13:56:13,487 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 18 [2018-11-18 13:56:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:13,487 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2018-11-18 13:56:13,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:56:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-11-18 13:56:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:56:13,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:13,488 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:13,488 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:13,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -947686145, now seen corresponding path program 1 times [2018-11-18 13:56:13,489 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:13,489 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:13,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:13,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:13,805 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:13,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:13,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:56:13,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:56:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:56:13,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:13,817 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand 7 states. [2018-11-18 13:56:19,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:19,612 INFO L93 Difference]: Finished difference Result 96 states and 114 transitions. [2018-11-18 13:56:19,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:56:19,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 13:56:19,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:19,615 INFO L225 Difference]: With dead ends: 96 [2018-11-18 13:56:19,615 INFO L226 Difference]: Without dead ends: 81 [2018-11-18 13:56:19,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:56:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-18 13:56:19,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-11-18 13:56:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 13:56:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2018-11-18 13:56:19,625 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 19 [2018-11-18 13:56:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:19,626 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2018-11-18 13:56:19,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:56:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2018-11-18 13:56:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:56:19,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:19,627 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:19,627 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:19,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:19,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1489772841, now seen corresponding path program 1 times [2018-11-18 13:56:19,628 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:19,628 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:19,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:20,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:20,968 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:20,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:20,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:56:20,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:56:20,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:56:20,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:20,991 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand 7 states. [2018-11-18 13:56:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:27,135 INFO L93 Difference]: Finished difference Result 109 states and 130 transitions. [2018-11-18 13:56:27,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:56:27,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 13:56:27,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:27,137 INFO L225 Difference]: With dead ends: 109 [2018-11-18 13:56:27,137 INFO L226 Difference]: Without dead ends: 86 [2018-11-18 13:56:27,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:56:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-18 13:56:27,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2018-11-18 13:56:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 13:56:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions. [2018-11-18 13:56:27,160 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 21 [2018-11-18 13:56:27,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:27,161 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions. [2018-11-18 13:56:27,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:56:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-11-18 13:56:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:56:27,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:27,162 INFO L375 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] [2018-11-18 13:56:27,162 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:27,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:27,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1770650208, now seen corresponding path program 1 times [2018-11-18 13:56:27,164 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:27,165 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:27,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:27,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:27,320 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:27,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:27,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:56:27,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:56:27,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:56:27,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:27,329 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand 7 states. [2018-11-18 13:56:27,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:27,706 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-11-18 13:56:27,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:56:27,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 13:56:27,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:27,707 INFO L225 Difference]: With dead ends: 90 [2018-11-18 13:56:27,707 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 13:56:27,708 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:56:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 13:56:27,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 13:56:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 13:56:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 104 transitions. [2018-11-18 13:56:27,717 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 104 transitions. Word has length 22 [2018-11-18 13:56:27,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:27,717 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 104 transitions. [2018-11-18 13:56:27,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:56:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-11-18 13:56:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:56:27,718 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:27,718 INFO L375 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] [2018-11-18 13:56:27,719 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:27,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:27,719 INFO L82 PathProgramCache]: Analyzing trace with hash 505231091, now seen corresponding path program 1 times [2018-11-18 13:56:27,719 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:27,719 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:27,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:27,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:28,004 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:28,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:28,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 13:56:28,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 13:56:28,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 13:56:28,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:56:28,015 INFO L87 Difference]: Start difference. First operand 87 states and 104 transitions. Second operand 12 states. [2018-11-18 13:56:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:28,692 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2018-11-18 13:56:28,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 13:56:28,692 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-18 13:56:28,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:28,693 INFO L225 Difference]: With dead ends: 92 [2018-11-18 13:56:28,693 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 13:56:28,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:56:28,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 13:56:28,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-18 13:56:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 13:56:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2018-11-18 13:56:28,701 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 30 [2018-11-18 13:56:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:28,702 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2018-11-18 13:56:28,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 13:56:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-18 13:56:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:56:28,703 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:28,703 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:28,703 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:28,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:28,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1160851858, now seen corresponding path program 1 times [2018-11-18 13:56:28,704 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:28,704 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/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 [2018-11-18 13:56:28,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:30,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:30,117 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:30,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:30,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:56:30,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:56:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:56:30,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:30,140 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand 7 states. [2018-11-18 13:56:30,411 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 13:56:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:32,948 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2018-11-18 13:56:32,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:56:32,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-18 13:56:32,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:32,951 INFO L225 Difference]: With dead ends: 102 [2018-11-18 13:56:32,951 INFO L226 Difference]: Without dead ends: 81 [2018-11-18 13:56:32,952 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:56:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-18 13:56:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-11-18 13:56:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 13:56:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-11-18 13:56:32,959 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 41 [2018-11-18 13:56:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:32,960 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-11-18 13:56:32,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:56:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-11-18 13:56:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:56:32,961 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:56:32,961 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:56:32,961 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:56:32,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:56:32,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1086210581, now seen corresponding path program 1 times [2018-11-18 13:56:32,962 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:56:32,962 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 13:56:32,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:56:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:56:34,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:56:36,166 WARN L180 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 13:56:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:56:36,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:56:36,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:56:36,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:56:36,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:56:36,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:56:36,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:56:36,624 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 6 states. [2018-11-18 13:56:38,722 WARN L180 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 13:56:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:56:41,705 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-11-18 13:56:41,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:56:41,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-18 13:56:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:56:41,712 INFO L225 Difference]: With dead ends: 78 [2018-11-18 13:56:41,712 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:56:41,712 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:56:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:56:41,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:56:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:56:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:56:41,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-18 13:56:41,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:56:41,714 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:56:41,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:56:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:56:41,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:56:41,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:56:42,985 WARN L180 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-18 13:56:43,898 WARN L180 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-18 13:56:44,720 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:56:44,762 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-11-18 13:56:44,762 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-11-18 13:56:44,763 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-11-18 13:56:44,763 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-18 13:56:44,763 INFO L425 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-18 13:56:44,764 INFO L421 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 13:56:44,764 INFO L425 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-11-18 13:56:44,765 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 13:56:44,765 INFO L421 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-18 13:56:44,765 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-11-18 13:56:44,765 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-11-18 13:56:44,765 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-11-18 13:56:44,765 INFO L425 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-11-18 13:56:44,765 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L421 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 13:56:44,766 INFO L421 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-11-18 13:56:44,766 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 13:56:44,767 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-11-18 13:56:44,767 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L428 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-11-18 13:56:44,768 INFO L428 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L428 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-11-18 13:56:44,769 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-11-18 13:56:44,770 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-18 13:56:44,770 INFO L421 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 13:56:44,771 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-11-18 13:56:44,771 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-11-18 13:56:44,780 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,781 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,781 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,781 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,782 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,783 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,783 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,785 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,785 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,785 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,785 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,785 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,786 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,787 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,787 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,787 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,787 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,788 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,788 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,788 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,788 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:56:44 BoogieIcfgContainer [2018-11-18 13:56:44,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:56:44,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:56:44,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:56:44,791 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:56:44,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:56:06" (3/4) ... [2018-11-18 13:56:44,794 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:56:44,798 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:56:44,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 13:56:44,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:56:44,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-18 13:56:44,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 13:56:44,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 13:56:44,803 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-18 13:56:44,803 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 13:56:44,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 13:56:44,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:56:44,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-18 13:56:44,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 13:56:44,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-11-18 13:56:44,853 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b372578-cc9c-4912-874d-13d463affeeb/bin-2019/utaipan/witness.graphml [2018-11-18 13:56:44,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:56:44,854 INFO L168 Benchmark]: Toolchain (without parser) took 50501.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,854 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:56:44,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.30 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.97 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:56:44,855 INFO L168 Benchmark]: Boogie Preprocessor took 93.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,855 INFO L168 Benchmark]: RCFGBuilder took 11260.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,855 INFO L168 Benchmark]: TraceAbstraction took 38744.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,856 INFO L168 Benchmark]: Witness Printer took 62.69 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.30 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 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 21.97 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11260.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38744.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -45.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.69 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-11-18 13:56:44,865 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,865 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,865 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,865 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,867 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,867 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,879 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,879 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,879 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 13:56:44,880 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-11-18 13:56:44,881 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,881 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,881 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,881 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,882 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,882 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,882 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:56:44,882 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. SAFE Result, 38.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 27.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 673 SDtfs, 422 SDslu, 2792 SDs, 0 SdLazy, 396 SolverSat, 55 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, 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, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48415 SizeOfPredicates, 29 NumberOfNonLiveVariables, 939 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...