./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................................................ 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_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 07:50:15,691 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:50:15,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:50:15,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:50:15,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:50:15,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:50:15,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:50:15,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:50:15,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:50:15,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:50:15,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:50:15,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:50:15,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:50:15,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:50:15,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:50:15,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:50:15,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:50:15,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:50:15,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:50:15,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:50:15,706 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:50:15,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:50:15,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:50:15,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:50:15,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:50:15,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:50:15,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:50:15,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:50:15,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:50:15,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:50:15,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:50:15,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:50:15,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:50:15,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:50:15,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:50:15,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:50:15,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 07:50:15,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:50:15,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:50:15,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 07:50:15,719 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 07:50:15,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 07:50:15,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:50:15,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:50:15,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:50:15,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 07:50:15,721 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 07:50:15,722 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_37d2debf-c45c-41b3-aedd-3795ef044485/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-09 07:50:15,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:50:15,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:50:15,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:50:15,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:50:15,752 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:50:15,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:15,788 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/84f7632f5/6d3006c754bc4cdb85e85106c8e490d2/FLAG548bc1bc5 [2018-12-09 07:50:16,145 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:50:16,145 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:16,149 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/84f7632f5/6d3006c754bc4cdb85e85106c8e490d2/FLAG548bc1bc5 [2018-12-09 07:50:16,539 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/84f7632f5/6d3006c754bc4cdb85e85106c8e490d2 [2018-12-09 07:50:16,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:50:16,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:50:16,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:50:16,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:50:16,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:50:16,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d0136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16, skipping insertion in model container [2018-12-09 07:50:16,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:50:16,572 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:50:16,697 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:50:16,699 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:50:16,727 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:50:16,771 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:50:16,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16 WrapperNode [2018-12-09 07:50:16,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:50:16,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:50:16,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:50:16,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:50:16,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:50:16,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:50:16,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:50:16,793 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:50:16,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... [2018-12-09 07:50:16,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:50:16,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:50:16,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:50:16,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:50:16,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:50:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 07:50:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 07:50:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 07:50:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 07:50:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 07:50:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 07:50:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 07:50:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 07:50:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 07:50:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:50:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 07:50:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 07:50:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 07:50:17,102 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:50:17,102 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 07:50:17,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:17 BoogieIcfgContainer [2018-12-09 07:50:17,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:50:17,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 07:50:17,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 07:50:17,105 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 07:50:17,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:50:16" (1/3) ... [2018-12-09 07:50:17,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b143d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:50:17, skipping insertion in model container [2018-12-09 07:50:17,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:16" (2/3) ... [2018-12-09 07:50:17,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b143d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:50:17, skipping insertion in model container [2018-12-09 07:50:17,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:17" (3/3) ... [2018-12-09 07:50:17,107 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:17,112 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 07:50:17,117 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 07:50:17,126 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 07:50:17,145 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 07:50:17,145 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 07:50:17,145 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 07:50:17,145 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 07:50:17,145 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 07:50:17,146 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 07:50:17,146 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 07:50:17,146 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 07:50:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-12-09 07:50:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 07:50:17,159 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:17,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:17,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:17,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:17,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1961299150, now seen corresponding path program 1 times [2018-12-09 07:50:17,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:50:17,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:50:17,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:17,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:50:17,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:50:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:17,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:17,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 07:50:17,252 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:50:17,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 07:50:17,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 07:50:17,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 07:50:17,264 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-12-09 07:50:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:50:17,281 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2018-12-09 07:50:17,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 07:50:17,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 07:50:17,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:50:17,287 INFO L225 Difference]: With dead ends: 147 [2018-12-09 07:50:17,287 INFO L226 Difference]: Without dead ends: 73 [2018-12-09 07:50:17,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 07:50:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-09 07:50:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-09 07:50:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-09 07:50:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-12-09 07:50:17,313 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 22 [2018-12-09 07:50:17,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:50:17,313 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-12-09 07:50:17,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 07:50:17,313 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-09 07:50:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 07:50:17,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:17,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:17,314 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:17,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:17,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1590430122, now seen corresponding path program 1 times [2018-12-09 07:50:17,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:50:17,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:50:17,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:17,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:50:17,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:50:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 07:50:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 07:50:17,366 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 07:50:17,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:50:17 BoogieIcfgContainer [2018-12-09 07:50:17,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 07:50:17,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:50:17,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:50:17,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:50:17,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:17" (3/4) ... [2018-12-09 07:50:17,391 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 07:50:17,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:50:17,391 INFO L168 Benchmark]: Toolchain (without parser) took 849.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -76.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 07:50:17,392 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:50:17,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-09 07:50:17,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.02 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. [2018-12-09 07:50:17,393 INFO L168 Benchmark]: Boogie Preprocessor took 26.58 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. [2018-12-09 07:50:17,394 INFO L168 Benchmark]: RCFGBuilder took 283.15 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 07:50:17,394 INFO L168 Benchmark]: TraceAbstraction took 285.01 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 07:50:17,394 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 07:50:17,397 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.02 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. * Boogie Preprocessor took 26.58 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 283.15 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 285.01 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] 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)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450951, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, 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] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f 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, x=6442450949] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450949, 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] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450949, 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=6442450949] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450949, 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=6442450949] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450949, 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=6442450949] [L188] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, 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=6442450949] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, 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] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, 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=6442450948] [L191] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, 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=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L191] COND TRUE !isnan_float(res) [L192] __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=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 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=78occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 07:50:18,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:50:18,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:50:18,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:50:18,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:50:18,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:50:18,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:50:18,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:50:18,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:50:18,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:50:18,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:50:18,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:50:18,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:50:18,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:50:18,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:50:18,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:50:18,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:50:18,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:50:18,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:50:18,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:50:18,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:50:18,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:50:18,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:50:18,738 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:50:18,738 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:50:18,739 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:50:18,739 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:50:18,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:50:18,740 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:50:18,741 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:50:18,741 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:50:18,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:50:18,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:50:18,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:50:18,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:50:18,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:50:18,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 07:50:18,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:50:18,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:50:18,752 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:50:18,752 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 07:50:18,752 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 07:50:18,752 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 07:50:18,753 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 07:50:18,753 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 07:50:18,753 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 07:50:18,753 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 07:50:18,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:50:18,754 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:50:18,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:50:18,755 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:50:18,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 07:50:18,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:50:18,757 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 07:50:18,757 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 07:50:18,757 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_37d2debf-c45c-41b3-aedd-3795ef044485/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-09 07:50:18,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:50:18,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:50:18,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:50:18,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:50:18,791 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:50:18,791 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:18,826 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/233ee8677/a7b853f6475b40e0920c946cc2629c43/FLAG83a551f05 [2018-12-09 07:50:19,251 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:50:19,252 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:19,256 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/233ee8677/a7b853f6475b40e0920c946cc2629c43/FLAG83a551f05 [2018-12-09 07:50:19,264 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/data/233ee8677/a7b853f6475b40e0920c946cc2629c43 [2018-12-09 07:50:19,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:50:19,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:50:19,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:50:19,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:50:19,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:50:19,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19, skipping insertion in model container [2018-12-09 07:50:19,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:50:19,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:50:19,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:50:19,408 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:50:19,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:50:19,454 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:50:19,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19 WrapperNode [2018-12-09 07:50:19,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:50:19,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:50:19,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:50:19,455 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:50:19,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:50:19,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:50:19,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:50:19,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:50:19,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... [2018-12-09 07:50:19,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:50:19,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:50:19,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:50:19,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:50:19,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:50:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 07:50:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 07:50:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 07:50:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 07:50:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 07:50:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 07:50:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 07:50:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 07:50:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 07:50:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:50:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 07:50:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 07:50:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 07:50:19,669 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 07:50:19,690 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 07:50:28,917 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 07:50:28,942 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 07:50:29,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:50:29,346 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 07:50:29,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:29 BoogieIcfgContainer [2018-12-09 07:50:29,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:50:29,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 07:50:29,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 07:50:29,349 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 07:50:29,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:50:19" (1/3) ... [2018-12-09 07:50:29,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d359e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:50:29, skipping insertion in model container [2018-12-09 07:50:29,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:50:19" (2/3) ... [2018-12-09 07:50:29,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d359e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:50:29, skipping insertion in model container [2018-12-09 07:50:29,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:29" (3/3) ... [2018-12-09 07:50:29,351 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-09 07:50:29,356 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 07:50:29,361 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 07:50:29,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 07:50:29,386 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 07:50:29,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 07:50:29,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 07:50:29,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 07:50:29,387 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 07:50:29,387 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 07:50:29,387 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 07:50:29,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 07:50:29,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 07:50:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-12-09 07:50:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 07:50:29,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:29,402 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:29,403 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:29,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:29,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1112669961, now seen corresponding path program 1 times [2018-12-09 07:50:29,409 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:50:29,409 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 07:50:29,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:29,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:50:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:29,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:50:29,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:29,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 07:50:29,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 07:50:29,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 07:50:29,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 07:50:29,618 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-12-09 07:50:29,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:50:29,636 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2018-12-09 07:50:29,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 07:50:29,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 07:50:29,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:50:29,643 INFO L225 Difference]: With dead ends: 145 [2018-12-09 07:50:29,643 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 07:50:29,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 07:50:29,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 07:50:29,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 07:50:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 07:50:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-09 07:50:29,670 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-09 07:50:29,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:50:29,670 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-09 07:50:29,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 07:50:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-09 07:50:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 07:50:29,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:29,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:29,671 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:29,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:29,671 INFO L82 PathProgramCache]: Analyzing trace with hash -325270924, now seen corresponding path program 1 times [2018-12-09 07:50:29,672 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:50:29,672 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 07:50:29,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:29,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:50:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:29,948 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:50:29,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:29,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 07:50:29,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 07:50:29,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 07:50:29,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:50:29,962 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 7 states. [2018-12-09 07:50:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:50:35,629 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2018-12-09 07:50:35,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:50:35,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-09 07:50:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:50:35,631 INFO L225 Difference]: With dead ends: 85 [2018-12-09 07:50:35,631 INFO L226 Difference]: Without dead ends: 75 [2018-12-09 07:50:35,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:50:35,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-09 07:50:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2018-12-09 07:50:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 07:50:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2018-12-09 07:50:35,638 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 22 [2018-12-09 07:50:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:50:35,638 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2018-12-09 07:50:35,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 07:50:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2018-12-09 07:50:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 07:50:35,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:35,639 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:35,639 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:35,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:35,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1816930425, now seen corresponding path program 1 times [2018-12-09 07:50:35,640 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:50:35,640 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 07:50:35,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:35,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:50:36,625 WARN L180 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-09 07:50:38,109 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-09 07:50:41,251 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-09 07:50:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:43,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:50:43,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:43,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 07:50:43,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 07:50:43,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 07:50:43,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:50:43,739 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand 7 states. [2018-12-09 07:50:50,432 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 07:50:51,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:50:51,635 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2018-12-09 07:50:51,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:50:51,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 07:50:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:50:51,636 INFO L225 Difference]: With dead ends: 79 [2018-12-09 07:50:51,636 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 07:50:51,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 07:50:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 07:50:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 07:50:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 07:50:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2018-12-09 07:50:51,644 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 23 [2018-12-09 07:50:51,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:50:51,644 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2018-12-09 07:50:51,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 07:50:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2018-12-09 07:50:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 07:50:51,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:51,645 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:51,645 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:51,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:51,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1516262063, now seen corresponding path program 1 times [2018-12-09 07:50:51,645 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:50:51,645 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 07:50:51,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:52,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:50:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:52,740 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:50:52,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:52,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 07:50:52,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:50:52,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:50:52,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:50:52,760 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand 9 states. [2018-12-09 07:50:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:50:58,048 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2018-12-09 07:50:58,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 07:50:58,049 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-12-09 07:50:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:50:58,050 INFO L225 Difference]: With dead ends: 98 [2018-12-09 07:50:58,050 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 07:50:58,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 07:50:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 07:50:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67. [2018-12-09 07:50:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-09 07:50:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2018-12-09 07:50:58,055 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 25 [2018-12-09 07:50:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:50:58,056 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2018-12-09 07:50:58,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:50:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2018-12-09 07:50:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 07:50:58,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:50:58,056 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:50:58,057 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:50:58,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:50:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash -732213124, now seen corresponding path program 1 times [2018-12-09 07:50:58,057 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:50:58,057 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 07:50:58,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:50:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:50:59,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:50:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:50:59,320 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:50:59,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:50:59,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 07:50:59,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:50:59,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:50:59,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:50:59,340 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand 9 states. [2018-12-09 07:51:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:51:02,126 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2018-12-09 07:51:02,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 07:51:02,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-12-09 07:51:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:51:02,127 INFO L225 Difference]: With dead ends: 83 [2018-12-09 07:51:02,127 INFO L226 Difference]: Without dead ends: 67 [2018-12-09 07:51:02,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-12-09 07:51:02,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-09 07:51:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-09 07:51:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-09 07:51:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2018-12-09 07:51:02,131 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 45 [2018-12-09 07:51:02,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:51:02,132 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2018-12-09 07:51:02,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:51:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2018-12-09 07:51:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 07:51:02,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:51:02,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:51:02,133 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:51:02,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:51:02,133 INFO L82 PathProgramCache]: Analyzing trace with hash -132813291, now seen corresponding path program 1 times [2018-12-09 07:51:02,133 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 07:51:02,133 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 07:51:02,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:51:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:51:03,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:51:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:51:03,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 07:51:03,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:51:03,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 07:51:03,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 07:51:03,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 07:51:03,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 07:51:03,317 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand 5 states. [2018-12-09 07:51:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:51:03,350 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2018-12-09 07:51:03,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 07:51:03,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-09 07:51:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:51:03,351 INFO L225 Difference]: With dead ends: 67 [2018-12-09 07:51:03,351 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 07:51:03,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-09 07:51:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 07:51:03,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 07:51:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 07:51:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 07:51:03,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-12-09 07:51:03,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:51:03,353 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 07:51:03,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 07:51:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 07:51:03,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 07:51:03,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 07:51:03,561 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-09 07:51:03,771 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-09 07:51:04,820 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 07:51:04,821 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-09 07:51:04,822 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-09 07:51:04,823 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:51:04,823 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 07:51:04,823 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-09 07:51:04,823 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (and (exists ((__ieee754_asinf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_asinf_~x __ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse1)) (fp.gt main_~x~0 .cse1)))) [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 194) no Hoare annotation was computed. [2018-12-09 07:51:04,823 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 198) the Hoare annotation is: true [2018-12-09 07:51:04,823 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-12-09 07:51:04,823 INFO L448 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 198) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 198) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-09 07:51:04,824 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (let ((.cse0 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 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|))) (.cse2 (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))))) (or (and .cse0 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1))) (and (not (bvsgt .cse1 (_ bv1065353216 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|) (not (= (bvadd .cse1 (_ bv3229614080 32)) (_ bv0 32))) (not (bvslt .cse1 (_ bv1056964608 32)))))) .cse2) (and .cse0 (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse2))) [2018-12-09 07:51:04,825 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 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|))) (.cse2 (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))))) (or (and .cse0 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1))) (and (not (bvsgt .cse1 (_ bv1065353216 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|) (not (= (bvadd .cse1 (_ bv3229614080 32)) (_ bv0 32))) (not (bvslt .cse1 (_ bv1056964608 32)))))) .cse2) (and .cse0 (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse2))) [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-09 07:51:04,825 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-09 07:51:04,825 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 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)))) [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-09 07:51:04,826 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-09 07:51:04,827 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-09 07:51:04,827 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-09 07:51:04,828 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-09 07:51:04,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,833 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,833 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,833 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:51:04 BoogieIcfgContainer [2018-12-09 07:51:04,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 07:51:04,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:51:04,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:51:04,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:51:04,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:50:29" (3/4) ... [2018-12-09 07:51:04,841 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 07:51:04,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 07:51:04,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 07:51:04,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 07:51:04,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 07:51:04,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-09 07:51:04,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-09 07:51:04,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-09 07:51:04,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 07:51:04,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 07:51:04,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 07:51:04,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 07:51:04,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~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) [2018-12-09 07:51:04,893 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37d2debf-c45c-41b3-aedd-3795ef044485/bin-2019/utaipan/witness.graphml [2018-12-09 07:51:04,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:51:04,893 INFO L168 Benchmark]: Toolchain (without parser) took 45626.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -246.4 MB). Peak memory consumption was 283.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,894 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:51:04,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.82 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,894 INFO L168 Benchmark]: Boogie Preprocessor took 26.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,895 INFO L168 Benchmark]: RCFGBuilder took 9817.83 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,895 INFO L168 Benchmark]: TraceAbstraction took 35491.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.6 MB in the end (delta: 271.7 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,895 INFO L168 Benchmark]: Witness Printer took 54.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 809.6 MB in the beginning and 1.2 GB in the end (delta: -381.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 07:51:04,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.82 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 46.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9817.83 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35491.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.6 MB in the end (delta: 271.7 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 809.6 MB in the beginning and 1.2 GB in the end (delta: -381.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 07:51:04,900 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~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: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 35.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 21.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 476 SDtfs, 213 SDslu, 1601 SDs, 0 SdLazy, 201 SolverSat, 46 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 38 PreInvPairs, 56 NumberOfFragments, 293 HoareAnnotationTreeSize, 38 FomulaSimplifications, 176 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 133 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 177 ConstructedInterpolants, 34 QuantifiedInterpolants, 31225 SizeOfPredicates, 17 NumberOfNonLiveVariables, 767 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...