./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_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_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ................................................................................................................................................................................................................................................................................................................................. 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_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:18:48,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:18:48,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:18:48,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:18:48,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:18:48,742 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:18:48,743 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:18:48,744 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:18:48,745 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:18:48,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:18:48,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:18:48,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:18:48,747 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:18:48,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:18:48,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:18:48,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:18:48,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:18:48,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:18:48,753 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:18:48,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:18:48,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:18:48,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:18:48,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:18:48,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:18:48,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:18:48,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:18:48,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:18:48,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:18:48,759 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:18:48,760 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:18:48,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:18:48,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:18:48,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:18:48,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:18:48,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:18:48,762 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:18:48,762 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 13:18:48,771 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:18:48,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:18:48,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:18:48,771 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:18:48,772 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:18:48,772 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:18:48,773 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:18:48,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:18:48,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:18:48,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:18:48,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:18:48,775 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 13:18:48,775 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_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-12-09 13:18:48,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:18:48,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:18:48,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:18:48,810 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:18:48,810 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:18:48,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:18:48,845 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/3e38bdda7/14a66f46159e44b4b218e2d763aab949/FLAG0c073069f [2018-12-09 13:18:49,294 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:18:49,294 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:18:49,299 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/3e38bdda7/14a66f46159e44b4b218e2d763aab949/FLAG0c073069f [2018-12-09 13:18:49,686 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/3e38bdda7/14a66f46159e44b4b218e2d763aab949 [2018-12-09 13:18:49,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:18:49,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:18:49,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:18:49,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:18:49,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:18:49,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296aed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49, skipping insertion in model container [2018-12-09 13:18:49,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:18:49,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:18:49,827 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:18:49,831 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:18:49,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:18:49,892 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:18:49,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49 WrapperNode [2018-12-09 13:18:49,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:18:49,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:18:49,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:18:49,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:18:49,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:18:49,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:18:49,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:18:49,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:18:49,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... [2018-12-09 13:18:49,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:18:49,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:18:49,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:18:49,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:18:49,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:18:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 13:18:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 13:18:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:18:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:18:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 13:18:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 13:18:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:18:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:18:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 13:18:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 13:18:50,138 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:18:50,139 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 13:18:50,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:18:50 BoogieIcfgContainer [2018-12-09 13:18:50,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:18:50,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:18:50,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:18:50,142 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:18:50,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:18:49" (1/3) ... [2018-12-09 13:18:50,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3340c62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:18:50, skipping insertion in model container [2018-12-09 13:18:50,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:49" (2/3) ... [2018-12-09 13:18:50,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3340c62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:18:50, skipping insertion in model container [2018-12-09 13:18:50,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:18:50" (3/3) ... [2018-12-09 13:18:50,144 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:18:50,150 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:18:50,155 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:18:50,165 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:18:50,183 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:18:50,183 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:18:50,183 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:18:50,183 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:18:50,183 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:18:50,183 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:18:50,183 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:18:50,183 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:18:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-09 13:18:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 13:18:50,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:18:50,198 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:18:50,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:18:50,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:18:50,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1027521113, now seen corresponding path program 1 times [2018-12-09 13:18:50,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:18:50,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:18:50,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:18:50,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:18:50,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:18:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:18:50,296 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 13:18:50,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:18:50,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:18:50,298 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:18:50,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:18:50,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:18:50,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:18:50,309 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-09 13:18:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:18:50,322 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-12-09 13:18:50,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:18:50,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-09 13:18:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:18:50,329 INFO L225 Difference]: With dead ends: 82 [2018-12-09 13:18:50,329 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 13:18:50,331 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 13:18:50,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 13:18:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 13:18:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 13:18:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-09 13:18:50,353 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-12-09 13:18:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:18:50,353 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-09 13:18:50,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:18:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-09 13:18:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 13:18:50,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:18:50,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:18:50,354 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:18:50,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:18:50,354 INFO L82 PathProgramCache]: Analyzing trace with hash 900277844, now seen corresponding path program 1 times [2018-12-09 13:18:50,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:18:50,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:18:50,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:18:50,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:18:50,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:18:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:18:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:18:50,407 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:18:50,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:18:50 BoogieIcfgContainer [2018-12-09 13:18:50,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:18:50,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:18:50,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:18:50,430 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:18:50,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:18:50" (3/4) ... [2018-12-09 13:18:50,432 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 13:18:50,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:18:50,433 INFO L168 Benchmark]: Toolchain (without parser) took 740.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,434 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:18:50,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,435 INFO L168 Benchmark]: Boogie Preprocessor took 21.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,435 INFO L168 Benchmark]: RCFGBuilder took 208.38 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,435 INFO L168 Benchmark]: TraceAbstraction took 289.84 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,436 INFO L168 Benchmark]: Witness Printer took 2.90 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:18:50,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.38 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 289.84 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someUnaryFLOAToperation at line 117, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=19, \old(halF_exp)=31, \old(huge_exp)=14, \old(invln2_exp)=15, \old(ln2HI_exp)=9, \old(ln2HI_exp)=23, \old(ln2LO_exp)=25, \old(ln2LO_exp)=30, \old(one_exp)=32, \old(P1_exp)=18, \old(P2_exp)=21, \old(P3_exp)=27, \old(P4_exp)=29, \old(P5_exp)=28, \old(twom100_exp)=10, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = -0.0f; VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L118] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=13, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=13, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L122] __VERIFIER_error() VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=13, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 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=45occurred 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, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 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 13:18:51,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:18:51,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:18:51,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:18:51,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:18:51,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:18:51,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:18:51,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:18:51,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:18:51,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:18:51,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:18:51,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:18:51,813 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:18:51,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:18:51,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:18:51,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:18:51,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:18:51,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:18:51,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:18:51,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:18:51,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:18:51,819 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:18:51,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:18:51,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:18:51,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:18:51,821 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:18:51,822 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:18:51,822 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:18:51,823 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:18:51,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:18:51,824 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:18:51,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:18:51,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:18:51,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:18:51,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:18:51,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:18:51,826 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 13:18:51,835 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:18:51,836 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:18:51,836 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:18:51,836 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:18:51,837 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:18:51,837 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:18:51,837 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:18:51,837 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:18:51,837 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:18:51,837 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:18:51,838 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:18:51,838 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:18:51,838 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:18:51,838 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:18:51,839 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:18:51,840 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:18:51,840 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:18:51,840 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:18:51,840 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:18:51,840 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:18:51,840 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:18:51,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:18:51,841 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 13:18:51,842 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 13:18:51,842 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_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-12-09 13:18:51,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:18:51,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:18:51,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:18:51,875 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:18:51,875 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:18:51,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:18:51,910 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/9c7caa418/812f9af958b04f0b8bbfb3d5a81c62fb/FLAGfc9a8a35b [2018-12-09 13:18:52,286 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:18:52,286 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:18:52,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/9c7caa418/812f9af958b04f0b8bbfb3d5a81c62fb/FLAGfc9a8a35b [2018-12-09 13:18:52,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/data/9c7caa418/812f9af958b04f0b8bbfb3d5a81c62fb [2018-12-09 13:18:52,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:18:52,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:18:52,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:18:52,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:18:52,677 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:18:52,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45694b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52, skipping insertion in model container [2018-12-09 13:18:52,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:18:52,702 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:18:52,822 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:18:52,827 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:18:52,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:18:52,867 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:18:52,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52 WrapperNode [2018-12-09 13:18:52,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:18:52,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:18:52,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:18:52,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:18:52,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:18:52,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:18:52,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:18:52,886 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:18:52,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... [2018-12-09 13:18:52,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:18:52,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:18:52,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:18:52,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:18:52,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:18:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 13:18:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 13:18:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 13:18:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:18:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:18:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 13:18:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:18:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:18:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 13:18:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 13:18:53,093 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:19:00,212 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:19:00,230 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:19:00,292 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:19:00,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:19:00,306 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 13:19:00,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:00 BoogieIcfgContainer [2018-12-09 13:19:00,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:19:00,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:19:00,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:19:00,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:19:00,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:18:52" (1/3) ... [2018-12-09 13:19:00,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e939d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:00, skipping insertion in model container [2018-12-09 13:19:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:18:52" (2/3) ... [2018-12-09 13:19:00,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e939d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:19:00, skipping insertion in model container [2018-12-09 13:19:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:00" (3/3) ... [2018-12-09 13:19:00,312 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-12-09 13:19:00,317 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:19:00,322 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:19:00,331 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:19:00,350 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:19:00,350 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:19:00,350 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:19:00,350 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:19:00,350 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:19:00,350 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:19:00,351 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:19:00,351 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:19:00,351 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:19:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-09 13:19:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 13:19:00,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:00,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:00,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:00,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:00,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1027521113, now seen corresponding path program 1 times [2018-12-09 13:19:00,372 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:00,373 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:00,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:00,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:00,478 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 13:19:00,478 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:00,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:00,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:19:00,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:19:00,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:19:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:19:00,500 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-09 13:19:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:00,514 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-12-09 13:19:00,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:19:00,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-09 13:19:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:00,521 INFO L225 Difference]: With dead ends: 82 [2018-12-09 13:19:00,522 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 13:19:00,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 13:19:00,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 13:19:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 13:19:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 13:19:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-09 13:19:00,548 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-12-09 13:19:00,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:00,548 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-09 13:19:00,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:19:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-09 13:19:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 13:19:00,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:00,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:00,549 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:00,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:00,549 INFO L82 PathProgramCache]: Analyzing trace with hash 900277844, now seen corresponding path program 1 times [2018-12-09 13:19:00,550 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:00,550 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:00,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:00,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:00,718 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 13:19:00,718 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:00,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:00,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:19:00,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:19:00,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:19:00,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:19:00,728 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 7 states. [2018-12-09 13:19:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:09,680 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2018-12-09 13:19:09,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:19:09,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-12-09 13:19:09,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:09,744 INFO L225 Difference]: With dead ends: 52 [2018-12-09 13:19:09,744 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 13:19:09,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:19:09,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 13:19:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-12-09 13:19:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 13:19:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-12-09 13:19:09,749 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 17 [2018-12-09 13:19:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:09,750 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-12-09 13:19:09,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:19:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-12-09 13:19:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 13:19:09,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:09,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:09,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:09,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash -211300720, now seen corresponding path program 1 times [2018-12-09 13:19:09,752 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:09,752 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:09,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:09,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:09,890 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 13:19:09,891 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:09,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:09,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:19:09,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:19:09,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:19:09,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:19:09,900 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-12-09 13:19:18,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:18,430 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-12-09 13:19:18,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:19:18,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-09 13:19:18,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:18,494 INFO L225 Difference]: With dead ends: 52 [2018-12-09 13:19:18,494 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 13:19:18,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:19:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 13:19:18,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-12-09 13:19:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 13:19:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-12-09 13:19:18,498 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 19 [2018-12-09 13:19:18,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:18,499 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-12-09 13:19:18,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:19:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-12-09 13:19:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 13:19:18,499 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:18,499 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:18,500 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:18,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -95067259, now seen corresponding path program 1 times [2018-12-09 13:19:18,500 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:18,500 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:18,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:18,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:18,645 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 13:19:18,645 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:18,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:18,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:19:18,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:19:18,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:19:18,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:19:18,655 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-12-09 13:19:28,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:28,297 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2018-12-09 13:19:28,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:19:28,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 13:19:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:28,365 INFO L225 Difference]: With dead ends: 50 [2018-12-09 13:19:28,365 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 13:19:28,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:19:28,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 13:19:28,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-12-09 13:19:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 13:19:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-12-09 13:19:28,369 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2018-12-09 13:19:28,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:28,370 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-12-09 13:19:28,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:19:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-12-09 13:19:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 13:19:28,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:28,371 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:28,371 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:28,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:28,371 INFO L82 PathProgramCache]: Analyzing trace with hash 589145278, now seen corresponding path program 1 times [2018-12-09 13:19:28,371 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:28,371 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:28,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:28,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:28,537 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 13:19:28,537 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:28,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:28,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:19:28,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:19:28,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:19:28,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:19:28,546 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 7 states. [2018-12-09 13:19:38,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:38,116 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-12-09 13:19:38,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:19:38,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 13:19:38,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:38,118 INFO L225 Difference]: With dead ends: 50 [2018-12-09 13:19:38,118 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 13:19:38,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:19:38,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 13:19:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-12-09 13:19:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 13:19:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-12-09 13:19:38,123 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2018-12-09 13:19:38,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:38,124 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-12-09 13:19:38,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:19:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-12-09 13:19:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 13:19:38,125 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:38,125 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 13:19:38,125 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:38,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:38,125 INFO L82 PathProgramCache]: Analyzing trace with hash 901419296, now seen corresponding path program 1 times [2018-12-09 13:19:38,126 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:38,126 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/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 13:19:38,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:38,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:38,774 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 13:19:38,919 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 13:19:38,919 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:38,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:38,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:19:38,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:19:38,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:19:38,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:19:38,928 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2018-12-09 13:19:42,428 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 13:19:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:49,318 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-12-09 13:19:49,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:19:49,319 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-09 13:19:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:49,319 INFO L225 Difference]: With dead ends: 48 [2018-12-09 13:19:49,319 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 13:19:49,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:19:49,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 13:19:49,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-12-09 13:19:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 13:19:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-12-09 13:19:49,322 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 23 [2018-12-09 13:19:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:49,322 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-12-09 13:19:49,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:19:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-12-09 13:19:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:19:49,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:49,323 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:19:49,323 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:49,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:49,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1676277967, now seen corresponding path program 1 times [2018-12-09 13:19:49,324 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:49,324 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 13:19:49,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:50,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:19:50,085 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 13:19:50,085 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:19:50,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:19:50,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:19:50,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:19:50,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:19:50,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:19:50,099 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2018-12-09 13:19:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:19:58,508 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-12-09 13:19:58,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 13:19:58,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 13:19:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:19:58,580 INFO L225 Difference]: With dead ends: 59 [2018-12-09 13:19:58,581 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 13:19:58,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:19:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 13:19:58,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 13:19:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 13:19:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-12-09 13:19:58,584 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 24 [2018-12-09 13:19:58,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:19:58,584 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-12-09 13:19:58,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:19:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-12-09 13:19:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 13:19:58,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:19:58,585 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 13:19:58,585 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:19:58,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:19:58,585 INFO L82 PathProgramCache]: Analyzing trace with hash -779018628, now seen corresponding path program 1 times [2018-12-09 13:19:58,586 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:19:58,586 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-09 13:19:58,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:19:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:19:59,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:20:00,035 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 13:20:00,039 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 13:20:00,040 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:20:00,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:20:00,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:20:00,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:20:00,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:20:00,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:20:00,054 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-12-09 13:20:01,048 WARN L180 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 13:20:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:20:07,646 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-12-09 13:20:07,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:20:07,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 13:20:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:20:07,647 INFO L225 Difference]: With dead ends: 43 [2018-12-09 13:20:07,647 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 13:20:07,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:20:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 13:20:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 13:20:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 13:20:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-12-09 13:20:07,650 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 25 [2018-12-09 13:20:07,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:20:07,651 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-12-09 13:20:07,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:20:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-12-09 13:20:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 13:20:07,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:20:07,652 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:20:07,652 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:20:07,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:20:07,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1556919915, now seen corresponding path program 1 times [2018-12-09 13:20:07,652 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:20:07,653 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-09 13:20:07,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:20:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:20:08,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:20:08,978 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 13:20:08,983 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 13:20:08,983 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:20:08,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:20:08,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:20:08,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:20:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:20:08,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:20:08,998 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-12-09 13:20:09,969 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 13:20:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:20:14,275 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-12-09 13:20:14,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:20:14,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-09 13:20:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:20:14,345 INFO L225 Difference]: With dead ends: 37 [2018-12-09 13:20:14,345 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:20:14,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:20:14,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:20:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:20:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:20:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:20:14,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 13:20:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:20:14,346 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:20:14,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:20:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:20:14,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:20:14,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:20:14,704 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-09 13:20:15,103 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-09 13:20:15,104 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)))) [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-09 13:20:15,105 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (= |__ieee754_expf_#in~x| __ieee754_expf_~x)) [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-09 13:20:15,106 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)))) [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) [2018-12-09 13:20:15,107 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-12-09 13:20:15,107 INFO L448 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-12-09 13:20:15,108 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-12-09 13:20:15,108 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-12-09 13:20:15,108 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-12-09 13:20:15,108 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,113 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,114 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,114 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,116 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,116 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,117 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,121 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,121 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,121 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:20:15 BoogieIcfgContainer [2018-12-09 13:20:15,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:20:15,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:20:15,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:20:15,122 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:20:15,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:19:00" (3/4) ... [2018-12-09 13:20:15,125 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:20:15,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-09 13:20:15,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:20:15,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:20:15,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-12-09 13:20:15,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 13:20:15,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 13:20:15,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:20:15,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:20:15,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || \old(x) == x [2018-12-09 13:20:15,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 13:20:15,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 13:20:15,169 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f77e7af-2d8c-448c-9b10-7f1ac82c272b/bin-2019/utaipan/witness.graphml [2018-12-09 13:20:15,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:20:15,171 INFO L168 Benchmark]: Toolchain (without parser) took 82502.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:20:15,171 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:20:15,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.91 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:20:15,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.54 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:20:15,172 INFO L168 Benchmark]: Boogie Preprocessor took 66.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:20:15,172 INFO L168 Benchmark]: RCFGBuilder took 7354.10 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:20:15,172 INFO L168 Benchmark]: TraceAbstraction took 74814.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:20:15,173 INFO L168 Benchmark]: Witness Printer took 47.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:20:15,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.91 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 17.54 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7354.10 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74814.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant [2018-12-09 13:20:15,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 41]: Loop Invariant [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,184 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 13:20:15,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 13:20:15,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. SAFE Result, 74.7s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 68.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 307 SDtfs, 348 SDslu, 854 SDs, 0 SdLazy, 354 SolverSat, 2 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 64.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 128 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 136 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 186 ConstructedInterpolants, 27 QuantifiedInterpolants, 41107 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1068 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...