./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_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_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 3c3794d6019e92717a5ca8c9c9457e833b63e739 ........................................................................................................................................................................................................................................................................................................................................................ 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_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 3c3794d6019e92717a5ca8c9c9457e833b63e739 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:04:43,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:04:43,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:04:43,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:04:43,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:04:43,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:04:43,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:04:43,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:04:43,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:04:43,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:04:43,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:04:43,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:04:43,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:04:43,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:04:43,700 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:04:43,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:04:43,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:04:43,702 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:04:43,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:04:43,703 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:04:43,704 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:04:43,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:04:43,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:04:43,706 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:04:43,706 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:04:43,707 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:04:43,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:04:43,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:04:43,708 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:04:43,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:04:43,709 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:04:43,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:04:43,709 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:04:43,709 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:04:43,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:04:43,710 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:04:43,710 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:04:43,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:04:43,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:04:43,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:04:43,719 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:04:43,719 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:04:43,719 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:04:43,720 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:04:43,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:04:43,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:04:43,722 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:04:43,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:04:43,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:04:43,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:04:43,723 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:04:43,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:04:43,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:04:43,723 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:04:43,723 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_1d3e5217-d986-4db5-a232-44ae96b48b07/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 -> 3c3794d6019e92717a5ca8c9c9457e833b63e739 [2018-12-09 09:04:43,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:04:43,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:04:43,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:04:43,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:04:43,754 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:04:43,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:43,792 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/fb17a7f35/029de958d2bc46a4ae5951610797a23a/FLAG30e321b93 [2018-12-09 09:04:44,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:04:44,156 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:44,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/fb17a7f35/029de958d2bc46a4ae5951610797a23a/FLAG30e321b93 [2018-12-09 09:04:44,542 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/fb17a7f35/029de958d2bc46a4ae5951610797a23a [2018-12-09 09:04:44,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:04:44,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:04:44,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:44,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:04:44,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:04:44,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2133b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44, skipping insertion in model container [2018-12-09 09:04:44,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:04:44,587 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:04:44,696 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:44,698 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:04:44,726 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:44,769 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:04:44,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44 WrapperNode [2018-12-09 09:04:44,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:44,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:44,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:04:44,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:04:44,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:44,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:04:44,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:04:44,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:04:44,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... [2018-12-09 09:04:44,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:04:44,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:04:44,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:04:44,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:04:44,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:04:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 09:04:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:04:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:04:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:04:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:04:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:04:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-09 09:04:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:04:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 09:04:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 09:04:45,167 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:04:45,167 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 09:04:45,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:45 BoogieIcfgContainer [2018-12-09 09:04:45,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:04:45,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:04:45,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:04:45,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:04:45,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:04:44" (1/3) ... [2018-12-09 09:04:45,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ff443e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:45, skipping insertion in model container [2018-12-09 09:04:45,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:44" (2/3) ... [2018-12-09 09:04:45,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ff443e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:45, skipping insertion in model container [2018-12-09 09:04:45,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:45" (3/3) ... [2018-12-09 09:04:45,171 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:45,177 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:04:45,182 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:04:45,194 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:04:45,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:04:45,213 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:04:45,213 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:04:45,213 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:04:45,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:04:45,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:04:45,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:04:45,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:04:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-09 09:04:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 09:04:45,229 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:45,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:45,231 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:45,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:45,235 INFO L82 PathProgramCache]: Analyzing trace with hash 860825893, now seen corresponding path program 1 times [2018-12-09 09:04:45,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:45,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:45,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:45,330 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 09:04:45,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:45,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:04:45,332 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:45,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:04:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:04:45,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:04:45,347 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-09 09:04:45,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:45,366 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-12-09 09:04:45,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:04:45,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-12-09 09:04:45,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:45,373 INFO L225 Difference]: With dead ends: 210 [2018-12-09 09:04:45,373 INFO L226 Difference]: Without dead ends: 104 [2018-12-09 09:04:45,376 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 09:04:45,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-09 09:04:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-09 09:04:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 09:04:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-12-09 09:04:45,410 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 34 [2018-12-09 09:04:45,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:45,411 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-12-09 09:04:45,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:04:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-12-09 09:04:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 09:04:45,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:45,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:45,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:45,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash 68622012, now seen corresponding path program 1 times [2018-12-09 09:04:45,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:45,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:45,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:04:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:04:45,501 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:04:45,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:04:45 BoogieIcfgContainer [2018-12-09 09:04:45,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:04:45,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:04:45,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:04:45,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:04:45,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:45" (3/4) ... [2018-12-09 09:04:45,524 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:04:45,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:04:45,524 INFO L168 Benchmark]: Toolchain (without parser) took 976.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:45,525 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:04:45,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:45,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:45,526 INFO L168 Benchmark]: Boogie Preprocessor took 30.17 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 09:04:45,526 INFO L168 Benchmark]: RCFGBuilder took 348.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:45,527 INFO L168 Benchmark]: TraceAbstraction took 353.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:04:45,527 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:04:45,529 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 353.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 239]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 211, overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418246, \old(tiny_sqrt)=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L232] float x = 0.0f / 0.0f; [L233] float y = __VERIFIER_nondet_float(); [L235] CALL isfinite_float(y) VAL [\old(x)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L215] __int32_t ix; VAL [\old(x)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L217] ieee_float_shape_type gf_u; [L218] gf_u.value = (x) [L219] EXPR gf_u.word [L219] (ix) = gf_u.word [L221] ix &= 0x7fffffff [L222] return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418256, \result=1, ix=2139095039, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L235] RET isfinite_float(y) VAL [isfinite_float(y)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, y=10737418256] [L235] COND TRUE isfinite_float(y) [L236] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418254, \old(y)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L86] ieee_float_shape_type gf_u; [L87] gf_u.value = (x) [L88] EXPR gf_u.word [L88] (ha) = gf_u.word [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L92] ieee_float_shape_type gf_u; [L93] gf_u.value = (y) [L94] EXPR gf_u.word [L94] (hb) = gf_u.word [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418256, b=10737418254, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L108] ieee_float_shape_type sf_u; [L109] sf_u.word = (ha) [L110] EXPR sf_u.value [L110] (a) = sf_u.value [L113] ieee_float_shape_type sf_u; [L114] sf_u.word = (hb) [L115] EXPR sf_u.value [L115] (b) = sf_u.value [L117] COND TRUE (ha - hb) > 0xf000000L [L118] return a + b; VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418253, b=10737418260, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L236] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L236] float res = __ieee754_hypotf(x, y); [L238] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L211] return x != x; VAL [\old(x)=10737418261, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418261] [L238] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L238] COND TRUE !isnan_float(res) [L239] __VERIFIER_error() VAL [one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 132 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=109occurred 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 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 09:04:46,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:04:46,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:04:46,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:04:46,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:04:46,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:04:46,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:04:46,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:04:46,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:04:46,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:04:46,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:04:46,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:04:46,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:04:46,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:04:46,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:04:46,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:04:46,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:04:46,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:04:46,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:04:46,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:04:46,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:04:46,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:04:46,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:04:46,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:04:46,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:04:46,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:04:46,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:04:46,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:04:46,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:04:46,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:04:46,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:04:46,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:04:46,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:04:46,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:04:46,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:04:46,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:04:46,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 09:04:46,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:04:46,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:04:46,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:04:46,895 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:04:46,895 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:04:46,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:04:46,895 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:04:46,895 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:04:46,895 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:04:46,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 09:04:46,896 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:04:46,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:04:46,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:04:46,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:04:46,898 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 09:04:46,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:04:46,898 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 09:04:46,898 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 09:04:46,898 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_1d3e5217-d986-4db5-a232-44ae96b48b07/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 -> 3c3794d6019e92717a5ca8c9c9457e833b63e739 [2018-12-09 09:04:46,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:04:46,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:04:46,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:04:46,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:04:46,931 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:04:46,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:46,976 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/6f60e8fe5/6b3f26c70a2c4c4f84e2609e1e4a9bcf/FLAGe511068b5 [2018-12-09 09:04:47,302 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:04:47,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:47,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/6f60e8fe5/6b3f26c70a2c4c4f84e2609e1e4a9bcf/FLAGe511068b5 [2018-12-09 09:04:47,315 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/data/6f60e8fe5/6b3f26c70a2c4c4f84e2609e1e4a9bcf [2018-12-09 09:04:47,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:04:47,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:04:47,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:47,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:04:47,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:04:47,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47, skipping insertion in model container [2018-12-09 09:04:47,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:04:47,340 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:04:47,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:47,460 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:04:47,493 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:47,509 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:04:47,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47 WrapperNode [2018-12-09 09:04:47,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:47,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:47,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:04:47,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:04:47,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:47,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:04:47,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:04:47,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:04:47,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... [2018-12-09 09:04:47,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:04:47,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:04:47,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:04:47,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:04:47,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:04:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 09:04:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:04:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:04:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:04:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 09:04:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:04:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:04:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 09:04:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-09 09:04:47,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-09 09:04:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 09:04:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:04:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 09:04:47,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 09:04:47,733 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:04:47,939 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:04:47,961 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:04:48,252 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:04:48,659 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:04:48,660 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 09:04:48,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:48 BoogieIcfgContainer [2018-12-09 09:04:48,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:04:48,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:04:48,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:04:48,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:04:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:04:47" (1/3) ... [2018-12-09 09:04:48,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:48, skipping insertion in model container [2018-12-09 09:04:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:47" (2/3) ... [2018-12-09 09:04:48,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:48, skipping insertion in model container [2018-12-09 09:04:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:48" (3/3) ... [2018-12-09 09:04:48,664 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-12-09 09:04:48,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:04:48,675 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:04:48,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:04:48,703 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:04:48,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:04:48,703 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:04:48,703 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:04:48,703 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:04:48,703 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:04:48,703 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:04:48,703 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:04:48,703 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:04:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-09 09:04:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 09:04:48,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:48,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:48,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:48,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:48,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122282, now seen corresponding path program 1 times [2018-12-09 09:04:48,727 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:04:48,728 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:04:48,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:48,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:48,819 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 09:04:48,819 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:04:48,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:48,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:04:48,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:04:48,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:04:48,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:04:48,839 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-09 09:04:48,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:48,864 INFO L93 Difference]: Finished difference Result 206 states and 325 transitions. [2018-12-09 09:04:48,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:04:48,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-12-09 09:04:48,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:48,873 INFO L225 Difference]: With dead ends: 206 [2018-12-09 09:04:48,873 INFO L226 Difference]: Without dead ends: 102 [2018-12-09 09:04:48,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 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 09:04:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-09 09:04:48,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-09 09:04:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-09 09:04:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-09 09:04:48,910 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-09 09:04:48,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:48,910 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-09 09:04:48,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:04:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-09 09:04:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:04:48,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:48,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:04:48,912 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:48,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:48,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1007281651, now seen corresponding path program 1 times [2018-12-09 09:04:48,913 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:04:48,913 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:04:48,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:48,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:49,269 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 09:04:49,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:04:49,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:49,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:04:49,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:04:49,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:04:49,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:04:49,283 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 9 states. [2018-12-09 09:05:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:33,108 INFO L93 Difference]: Finished difference Result 228 states and 277 transitions. [2018-12-09 09:05:33,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:05:33,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-12-09 09:05:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:33,153 INFO L225 Difference]: With dead ends: 228 [2018-12-09 09:05:33,153 INFO L226 Difference]: Without dead ends: 136 [2018-12-09 09:05:33,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-09 09:05:33,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-09 09:05:33,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2018-12-09 09:05:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 09:05:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2018-12-09 09:05:33,166 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 37 [2018-12-09 09:05:33,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:33,166 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2018-12-09 09:05:33,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:05:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2018-12-09 09:05:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:05:33,167 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:33,168 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:05:33,168 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:33,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:33,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2007821967, now seen corresponding path program 1 times [2018-12-09 09:05:33,168 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:05:33,169 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:05:33,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:33,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:35,348 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_26)) |c___ieee754_hypotf_#in~x|) (= |c___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_26))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0)))) is different from true [2018-12-09 09:05:36,053 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 09:05:36,053 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:05:36,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:05:36,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 09:05:36,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 09:05:36,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 09:05:36,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=92, Unknown=1, NotChecked=18, Total=132 [2018-12-09 09:05:36,062 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 12 states. [2018-12-09 09:05:39,601 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-09 09:05:41,530 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-09 09:05:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:51,352 INFO L93 Difference]: Finished difference Result 123 states and 148 transitions. [2018-12-09 09:05:51,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:05:51,395 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-12-09 09:05:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:51,396 INFO L225 Difference]: With dead ends: 123 [2018-12-09 09:05:51,396 INFO L226 Difference]: Without dead ends: 116 [2018-12-09 09:05:51,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=62, Invalid=283, Unknown=1, NotChecked=34, Total=380 [2018-12-09 09:05:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-09 09:05:51,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 109. [2018-12-09 09:05:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 09:05:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2018-12-09 09:05:51,405 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 37 [2018-12-09 09:05:51,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:51,405 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2018-12-09 09:05:51,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 09:05:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2018-12-09 09:05:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:05:51,406 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:51,406 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:05:51,406 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:51,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -780723337, now seen corresponding path program 1 times [2018-12-09 09:05:51,407 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:05:51,407 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:05:51,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:51,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:51,863 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 09:05:51,863 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:05:51,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:05:51,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-09 09:05:51,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 09:05:51,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 09:05:51,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-12-09 09:05:51,877 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 14 states. [2018-12-09 09:06:13,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:06:13,699 INFO L93 Difference]: Finished difference Result 156 states and 184 transitions. [2018-12-09 09:06:13,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 09:06:13,745 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-12-09 09:06:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:06:13,746 INFO L225 Difference]: With dead ends: 156 [2018-12-09 09:06:13,746 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 09:06:13,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2018-12-09 09:06:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 09:06:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 110. [2018-12-09 09:06:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 09:06:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2018-12-09 09:06:13,759 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 42 [2018-12-09 09:06:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:06:13,760 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2018-12-09 09:06:13,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 09:06:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2018-12-09 09:06:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:06:13,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:06:13,761 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:06:13,761 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:06:13,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash -897307209, now seen corresponding path program 1 times [2018-12-09 09:06:13,761 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:06:13,761 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:06:13,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:13,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:06:13,983 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 09:06:13,984 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:06:13,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:06:13,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:06:13,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:06:13,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:06:13,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:06:13,992 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 7 states. [2018-12-09 09:06:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:06:24,690 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2018-12-09 09:06:24,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:06:24,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-12-09 09:06:24,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:06:24,733 INFO L225 Difference]: With dead ends: 124 [2018-12-09 09:06:24,734 INFO L226 Difference]: Without dead ends: 112 [2018-12-09 09:06:24,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:06:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-09 09:06:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2018-12-09 09:06:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 09:06:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-12-09 09:06:24,745 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 42 [2018-12-09 09:06:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:06:24,746 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-12-09 09:06:24,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:06:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-09 09:06:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:06:24,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:06:24,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:06:24,748 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:06:24,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:24,748 INFO L82 PathProgramCache]: Analyzing trace with hash -639141771, now seen corresponding path program 1 times [2018-12-09 09:06:24,748 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:06:24,748 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:06:24,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:24,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:06:25,116 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-12-09 09:06:26,642 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 09:06:26,642 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:06:26,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:06:26,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 09:06:26,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 09:06:26,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 09:06:26,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:06:26,651 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 12 states. [2018-12-09 09:06:27,658 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-12-09 09:06:29,275 WARN L180 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-12-09 09:06:31,488 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-09 09:06:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:06:43,712 INFO L93 Difference]: Finished difference Result 151 states and 177 transitions. [2018-12-09 09:06:43,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:06:43,713 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-12-09 09:06:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:06:43,714 INFO L225 Difference]: With dead ends: 151 [2018-12-09 09:06:43,714 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 09:06:43,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:06:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 09:06:43,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 106. [2018-12-09 09:06:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-09 09:06:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2018-12-09 09:06:43,722 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 42 [2018-12-09 09:06:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:06:43,722 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2018-12-09 09:06:43,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 09:06:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2018-12-09 09:06:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:06:43,723 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:06:43,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:06:43,723 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:06:43,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:43,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1199845104, now seen corresponding path program 1 times [2018-12-09 09:06:43,724 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:06:43,724 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:06:43,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:43,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:06:44,126 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-09 09:06:44,135 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 09:06:44,135 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:06:44,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:06:44,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:06:44,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:06:44,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:06:44,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:06:44,143 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 7 states. [2018-12-09 09:06:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:06:55,252 INFO L93 Difference]: Finished difference Result 182 states and 217 transitions. [2018-12-09 09:06:55,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:06:55,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-09 09:06:55,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:06:55,298 INFO L225 Difference]: With dead ends: 182 [2018-12-09 09:06:55,298 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 09:06:55,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:06:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 09:06:55,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 96. [2018-12-09 09:06:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 09:06:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-09 09:06:55,311 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 45 [2018-12-09 09:06:55,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:06:55,311 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-09 09:06:55,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:06:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-09 09:06:55,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:06:55,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:06:55,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:06:55,313 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:06:55,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:55,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1790274438, now seen corresponding path program 1 times [2018-12-09 09:06:55,313 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:06:55,313 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:06:55,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:55,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:06:56,098 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 09:06:56,098 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:06:56,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:06:56,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:06:56,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:06:56,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:06:56,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:06:56,110 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 9 states. [2018-12-09 09:07:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:07:15,657 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2018-12-09 09:07:15,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:07:15,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-12-09 09:07:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:07:15,659 INFO L225 Difference]: With dead ends: 133 [2018-12-09 09:07:15,659 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 09:07:15,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-12-09 09:07:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 09:07:15,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 99. [2018-12-09 09:07:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-09 09:07:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-12-09 09:07:15,667 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 54 [2018-12-09 09:07:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:07:15,668 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-12-09 09:07:15,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:07:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-12-09 09:07:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:07:15,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:07:15,668 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:07:15,669 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:07:15,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:07:15,669 INFO L82 PathProgramCache]: Analyzing trace with hash -2146000665, now seen corresponding path program 1 times [2018-12-09 09:07:15,669 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:07:15,669 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/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 09:07:15,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:07:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:07:16,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:07:16,424 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 09:07:16,424 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:07:16,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:07:16,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:07:16,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:07:16,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:07:16,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:07:16,437 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 9 states. [2018-12-09 09:07:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:07:30,906 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2018-12-09 09:07:30,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:07:30,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-12-09 09:07:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:07:30,908 INFO L225 Difference]: With dead ends: 122 [2018-12-09 09:07:30,908 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 09:07:30,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-12-09 09:07:30,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 09:07:30,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2018-12-09 09:07:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:07:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-09 09:07:30,917 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 57 [2018-12-09 09:07:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:07:30,917 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-09 09:07:30,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:07:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-09 09:07:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 09:07:30,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:07:30,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:07:30,918 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:07:30,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:07:30,918 INFO L82 PathProgramCache]: Analyzing trace with hash 278430457, now seen corresponding path program 1 times [2018-12-09 09:07:30,919 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:07:30,919 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-12-09 09:07:30,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:07:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:07:31,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:07:31,291 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 09:07:31,291 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:07:31,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:07:31,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:07:31,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:07:31,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:07:31,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:07:31,304 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2018-12-09 09:07:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:07:35,540 INFO L93 Difference]: Finished difference Result 100 states and 113 transitions. [2018-12-09 09:07:35,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:07:35,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-09 09:07:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:07:35,581 INFO L225 Difference]: With dead ends: 100 [2018-12-09 09:07:35,581 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 09:07:35,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:07:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 09:07:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 09:07:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:07:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-09 09:07:35,591 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 59 [2018-12-09 09:07:35,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:07:35,592 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-09 09:07:35,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:07:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-09 09:07:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:07:35,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:07:35,593 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:07:35,593 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:07:35,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:07:35,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1738369465, now seen corresponding path program 1 times [2018-12-09 09:07:35,594 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:07:35,594 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-12-09 09:07:35,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:07:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:07:36,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:07:36,485 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 09:07:36,485 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:07:36,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:07:36,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 09:07:36,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:07:36,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:07:36,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:07:36,497 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 10 states. [2018-12-09 09:07:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:07:53,742 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2018-12-09 09:07:53,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:07:53,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2018-12-09 09:07:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:07:53,793 INFO L225 Difference]: With dead ends: 130 [2018-12-09 09:07:53,793 INFO L226 Difference]: Without dead ends: 111 [2018-12-09 09:07:53,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:07:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-09 09:07:53,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2018-12-09 09:07:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 09:07:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2018-12-09 09:07:53,808 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 62 [2018-12-09 09:07:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:07:53,808 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2018-12-09 09:07:53,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:07:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2018-12-09 09:07:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:07:53,808 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:07:53,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:07:53,809 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:07:53,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:07:53,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1184790533, now seen corresponding path program 1 times [2018-12-09 09:07:53,809 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:07:53,809 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-12-09 09:07:53,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:07:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:07:54,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:07:54,327 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 09:07:54,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:07:54,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:07:54,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:07:54,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:07:54,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:07:54,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:07:54,340 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 8 states. [2018-12-09 09:08:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:08:11,488 INFO L93 Difference]: Finished difference Result 126 states and 139 transitions. [2018-12-09 09:08:11,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:08:11,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2018-12-09 09:08:11,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:08:11,489 INFO L225 Difference]: With dead ends: 126 [2018-12-09 09:08:11,489 INFO L226 Difference]: Without dead ends: 85 [2018-12-09 09:08:11,490 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:08:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-09 09:08:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-09 09:08:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-09 09:08:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-12-09 09:08:11,497 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 62 [2018-12-09 09:08:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:08:11,497 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-12-09 09:08:11,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:08:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-12-09 09:08:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:08:11,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:08:11,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:08:11,498 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:08:11,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:08:11,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1956273368, now seen corresponding path program 1 times [2018-12-09 09:08:11,498 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:08:11,498 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e5217-d986-4db5-a232-44ae96b48b07/bin-2019/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-12-09 09:08:11,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:08:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:08:12,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:08:12,508 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 09:08:12,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:08:12,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:08:12,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 09:08:12,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:08:12,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:08:12,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:08:12,521 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 10 states. [2018-12-09 09:08:21,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:08:21,674 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-12-09 09:08:21,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:08:21,717 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-12-09 09:08:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:08:21,718 INFO L225 Difference]: With dead ends: 85 [2018-12-09 09:08:21,718 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:08:21,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:08:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:08:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:08:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:08:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:08:21,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-12-09 09:08:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:08:21,719 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:08:21,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:08:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:08:21,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:08:21,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:08:23,456 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 127 DAG size of output: 69 [2018-12-09 09:08:25,018 WARN L180 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-12-09 09:08:27,854 WARN L180 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-12-09 09:08:28,662 WARN L180 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-12-09 09:08:28,798 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 09:08:30,085 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 128 DAG size of output: 70 [2018-12-09 09:08:31,426 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 128 DAG size of output: 70 [2018-12-09 09:08:31,668 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-12-09 09:08:33,886 WARN L180 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 128 DAG size of output: 70 [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L444 ceAbstractionStarter]: At program point L216-2(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point L216-3(lines 216 220) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:08:33,901 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 09:08:33,902 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L444 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: (and (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_26)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_26))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (and (exists ((v_isfinite_float_~ix~1_5 (_ BitVec 32))) (and (= main_~y~0 (fp ((_ extract 31 31) v_isfinite_float_~ix~1_5) ((_ extract 30 23) v_isfinite_float_~ix~1_5) ((_ extract 22 0) v_isfinite_float_~ix~1_5))) (bvslt (bvand (_ bv2147483647 32) v_isfinite_float_~ix~1_5) (_ bv2139095040 32)))) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-12-09 09:08:33,902 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-09 09:08:33,902 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-12-09 09:08:33,902 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse0) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse1 (_ bv2139095040 32)) (bvsgt .cse1 (_ bv1484783616 32))))) (let ((.cse3 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))) .cse3 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))) .cse0) (and .cse3 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0)))))))) [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (let ((.cse3 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse0 (_ bv2139095040 32)) (bvsgt .cse0 (_ bv1484783616 32))))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29)))))) .cse3)) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse3))) [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,903 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-09 09:08:33,903 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse0 (_ bv2139095040 32)) (bvsgt .cse0 (_ bv1484783616 32))))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29)))))) .cse3)) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse3))) [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-09 09:08:33,904 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_31) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_31) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_31)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31) __ieee754_hypotf_~ha~0)))) [2018-12-09 09:08:33,904 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse0) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse1 (_ bv2139095040 32)) (bvsgt .cse1 (_ bv1484783616 32))))) (let ((.cse3 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))) .cse3 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))) .cse0) (and .cse3 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0)))))))) [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (let ((.cse0 (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|)))) (.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~hb~0) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~ha~0))) (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~hb~0))))) [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (let ((.cse3 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse0 (_ bv2139095040 32)) (bvsgt .cse0 (_ bv1484783616 32))))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29)))))) .cse3)) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse3))) [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (let ((.cse3 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse0 (_ bv2139095040 32)) (bvsgt .cse0 (_ bv1484783616 32))))) (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32))))) .cse2 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))) .cse3) (and .cse2 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) .cse3 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0)))))) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse3))) [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 09:08:33,905 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (let ((.cse0 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse1 (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse7 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse7 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse7 (_ bv1484783616 32)))))) (.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse3 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29)))) (.cse5 (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28)))) (.cse6 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 .cse1 .cse2 .cse3 (exists ((v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (let ((.cse4 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvslt .cse4 (_ bv2139095040 32)) (bvsgt .cse4 (_ bv1484783616 32))))) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 (exists ((v___ieee754_hypotf_~ha~0_35 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_37 (_ bv2139095040 32)) (bvsgt v___ieee754_hypotf_~ha~0_37 (_ bv1484783616 32)) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_35) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_35) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_35))) (bvsgt v___ieee754_hypotf_~ha~0_37 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_35)))) .cse6))) [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:08:33,906 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 09:08:33,907 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-09 09:08:33,907 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-09 09:08:33,907 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-09 09:08:33,907 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-09 09:08:33,911 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 09:08:33,912 INFO L168 Benchmark]: Toolchain (without parser) took 226595.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -268.7 MB). Peak memory consumption was 343.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,913 INFO L168 Benchmark]: CDTParser took 0.16 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 09:08:33,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.75 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,913 INFO L168 Benchmark]: Boogie Preprocessor took 65.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,914 INFO L168 Benchmark]: RCFGBuilder took 1067.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,914 INFO L168 Benchmark]: TraceAbstraction took 225251.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -137.7 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:08:33,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 191.75 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 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 17.52 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1067.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225251.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -137.7 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 239]: 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: 50]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...