./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:18:50,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:18:50,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:18:50,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:18:50,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:18:50,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:18:50,796 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:18:50,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:18:50,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:18:50,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:18:50,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:18:50,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:18:50,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:18:50,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:18:50,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:18:50,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:18:50,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:18:50,814 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:18:50,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:18:50,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:18:50,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:18:50,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:18:50,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:18:50,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:18:50,822 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:18:50,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:18:50,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:18:50,824 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:18:50,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:18:50,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:18:50,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:18:50,826 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:18:50,826 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:18:50,826 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:18:50,826 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:18:50,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:18:50,827 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:18:50,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:18:50,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:18:50,844 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:18:50,844 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:18:50,845 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:18:50,845 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:18:50,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:18:50,846 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:18:50,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:18:50,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:18:50,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:18:50,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:18:50,847 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:18:50,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:18:50,847 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:18:50,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:18:50,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:18:50,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:18:50,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:18:50,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:18:50,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:18:50,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:18:50,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:18:50,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:18:50,851 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_87dd5031-b03b-433d-b365-ac5478c183e1/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-10-26 19:18:50,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:18:50,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:18:50,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:18:50,910 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:18:50,910 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:18:50,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:18:50,968 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/1a990346b/1f3576392af54c80b7dff7fbd4eafcd5/FLAGa7e717462 [2018-10-26 19:18:51,352 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:18:51,358 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:18:51,365 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/1a990346b/1f3576392af54c80b7dff7fbd4eafcd5/FLAGa7e717462 [2018-10-26 19:18:51,377 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/1a990346b/1f3576392af54c80b7dff7fbd4eafcd5 [2018-10-26 19:18:51,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:18:51,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:18:51,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:18:51,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:18:51,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:18:51,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a2b719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51, skipping insertion in model container [2018-10-26 19:18:51,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:18:51,420 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:18:51,615 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:18:51,620 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:18:51,651 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:18:51,671 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:18:51,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51 WrapperNode [2018-10-26 19:18:51,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:18:51,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:18:51,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:18:51,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:18:51,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:18:51,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:18:51,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:18:51,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:18:51,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... [2018-10-26 19:18:51,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:18:51,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:18:51,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:18:51,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:18:51,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:18:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:18:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:18:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:18:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:18:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 19:18:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 19:18:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:18:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:18:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 19:18:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 19:18:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 19:18:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 19:18:53,213 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:18:53,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:18:53 BoogieIcfgContainer [2018-10-26 19:18:53,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:18:53,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:18:53,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:18:53,223 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:18:53,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:18:51" (1/3) ... [2018-10-26 19:18:53,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fa1dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:18:53, skipping insertion in model container [2018-10-26 19:18:53,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:51" (2/3) ... [2018-10-26 19:18:53,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fa1dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:18:53, skipping insertion in model container [2018-10-26 19:18:53,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:18:53" (3/3) ... [2018-10-26 19:18:53,226 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:18:53,237 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:18:53,247 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:18:53,261 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:18:53,298 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:18:53,298 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:18:53,298 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:18:53,298 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:18:53,298 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:18:53,299 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:18:53,299 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:18:53,300 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:18:53,318 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-10-26 19:18:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:18:53,324 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:53,325 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:53,328 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:53,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:53,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1496292074, now seen corresponding path program 1 times [2018-10-26 19:18:53,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:18:53,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:53,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:53,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:53,385 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:18:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:18:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:18:53,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:18:53,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:18:53,531 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:18:53,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:18:53,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:18:53,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:18:53,549 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-10-26 19:18:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:18:53,571 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-10-26 19:18:53,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:18:53,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-10-26 19:18:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:18:53,581 INFO L225 Difference]: With dead ends: 100 [2018-10-26 19:18:53,581 INFO L226 Difference]: Without dead ends: 50 [2018-10-26 19:18:53,584 INFO L605 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 [2018-10-26 19:18:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-10-26 19:18:53,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-10-26 19:18:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-26 19:18:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-10-26 19:18:53,620 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-10-26 19:18:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:18:53,621 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-10-26 19:18:53,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:18:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-10-26 19:18:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:18:53,622 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:53,622 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:53,622 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:53,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:53,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836789, now seen corresponding path program 1 times [2018-10-26 19:18:53,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:18:53,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:53,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:53,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:53,624 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:18:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:18:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:18:53,751 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:18:53,766 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,767 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,768 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,768 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,769 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,769 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,774 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,774 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,774 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,775 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:18:53,775 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:18:53,784 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:18:53,785 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:18:53,785 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:18:53,785 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 19:18:53,786 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:18:53,786 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 19:18:53,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:18:53 BoogieIcfgContainer [2018-10-26 19:18:53,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:18:53,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:18:53,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:18:53,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:18:53,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:18:53" (3/4) ... [2018-10-26 19:18:53,802 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:18:53,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:18:53,803 INFO L168 Benchmark]: Toolchain (without parser) took 2422.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 961.2 MB in the beginning and 1.0 GB in the end (delta: -88.6 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,804 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:18:53,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 946.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,806 INFO L168 Benchmark]: Boogie Preprocessor took 150.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,807 INFO L168 Benchmark]: RCFGBuilder took 1330.00 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,807 INFO L168 Benchmark]: TraceAbstraction took 583.44 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:18:53,808 INFO L168 Benchmark]: Witness Printer took 4.35 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. [2018-10-26 19:18:53,811 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 946.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 150.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1330.00 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 583.44 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.35 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] CALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] CALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] CALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450967, \old(huge_floor)=6442450963, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = -0.0f; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] CALL, EXPR atan_float(x) VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] CALL ieee_float_shape_type gf_u; [L58] RET ieee_float_shape_type gf_u; [L59] CALL gf_u.value = (x) [L59] RET gf_u.value = (x) [L60] CALL, EXPR gf_u.word [L60] RET, EXPR gf_u.word [L60] (hx) = gf_u.word [L60] RET (hx) = gf_u.word [L61] COND FALSE !(0) VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L62] ix = hx & 0x7fffffff VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] RET return x + x; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] EXPR atan_float(x) VAL [aT_atan={6442450948:0}, atan_float(x)=6442450951, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450947] [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450951, res == -0.0f && __signbit_float(res) == 1=0, x=6442450947] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450951, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 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=54occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 0.1.23-1dbac8b [2018-10-26 19:18:55,660 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:18:55,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:18:55,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:18:55,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:18:55,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:18:55,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:18:55,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:18:55,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:18:55,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:18:55,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:18:55,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:18:55,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:18:55,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:18:55,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:18:55,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:18:55,681 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:18:55,682 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:18:55,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:18:55,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:18:55,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:18:55,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:18:55,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:18:55,692 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:18:55,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:18:55,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:18:55,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:18:55,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:18:55,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:18:55,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:18:55,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:18:55,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:18:55,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:18:55,699 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:18:55,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:18:55,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:18:55,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 19:18:55,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:18:55,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:18:55,716 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:18:55,716 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:18:55,716 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:18:55,716 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:18:55,716 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:18:55,717 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:18:55,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:18:55,717 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:18:55,717 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:18:55,718 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:18:55,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:18:55,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:18:55,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:18:55,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:18:55,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:18:55,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:18:55,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:18:55,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:18:55,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:18:55,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:18:55,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:18:55,722 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:18:55,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:18:55,723 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:18:55,723 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:18:55,723 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_87dd5031-b03b-433d-b365-ac5478c183e1/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-10-26 19:18:55,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:18:55,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:18:55,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:18:55,776 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:18:55,777 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:18:55,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:18:55,827 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/9740a7ece/2836e898872a44aaa43889e099e03e9d/FLAG8df75c54a [2018-10-26 19:18:56,221 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:18:56,223 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:18:56,230 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/9740a7ece/2836e898872a44aaa43889e099e03e9d/FLAG8df75c54a [2018-10-26 19:18:56,243 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/data/9740a7ece/2836e898872a44aaa43889e099e03e9d [2018-10-26 19:18:56,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:18:56,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:18:56,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:18:56,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:18:56,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:18:56,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168730b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56, skipping insertion in model container [2018-10-26 19:18:56,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:18:56,287 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:18:56,491 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:18:56,516 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:18:56,585 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:18:56,626 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:18:56,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56 WrapperNode [2018-10-26 19:18:56,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:18:56,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:18:56,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:18:56,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:18:56,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:18:56,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:18:56,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:18:56,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:18:56,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... [2018-10-26 19:18:56,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:18:56,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:18:56,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:18:56,792 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:18:56,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:18:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:18:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:18:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:18:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:18:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 19:18:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 19:18:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:18:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:18:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 19:18:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 19:18:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 19:18:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 19:18:58,337 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:18:58,416 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:19:04,472 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:19:04,495 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:19:04,529 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:19:04,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:04 BoogieIcfgContainer [2018-10-26 19:19:04,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:19:04,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:19:04,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:19:04,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:19:04,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:18:56" (1/3) ... [2018-10-26 19:19:04,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a75c74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:19:04, skipping insertion in model container [2018-10-26 19:19:04,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:18:56" (2/3) ... [2018-10-26 19:19:04,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a75c74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:19:04, skipping insertion in model container [2018-10-26 19:19:04,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:04" (3/3) ... [2018-10-26 19:19:04,538 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-10-26 19:19:04,546 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:19:04,553 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:19:04,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:19:04,592 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:19:04,593 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:19:04,593 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:19:04,593 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:19:04,593 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:19:04,593 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:19:04,593 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:19:04,593 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:19:04,594 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:19:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-10-26 19:19:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:19:04,614 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:04,616 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:04,618 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:04,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:04,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1496292074, now seen corresponding path program 1 times [2018-10-26 19:19:04,627 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:04,628 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 19:19:04,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 19:19:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:04,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:04,825 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:04,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:04,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:19:04,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:19:04,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:19:04,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:19:04,850 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-10-26 19:19:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:04,871 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-10-26 19:19:04,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:19:04,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-10-26 19:19:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:04,882 INFO L225 Difference]: With dead ends: 100 [2018-10-26 19:19:04,882 INFO L226 Difference]: Without dead ends: 50 [2018-10-26 19:19:04,885 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:19:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-10-26 19:19:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-10-26 19:19:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-26 19:19:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-10-26 19:19:04,920 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-10-26 19:19:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:04,920 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-10-26 19:19:04,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:19:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-10-26 19:19:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:19:04,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:04,921 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:04,922 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:04,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:04,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836789, now seen corresponding path program 1 times [2018-10-26 19:19:04,923 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:04,924 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 19:19:04,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 19:19:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:05,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:05,436 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:05,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:05,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:19:05,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:19:05,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:19:05,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:19:05,454 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 7 states. [2018-10-26 19:19:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:15,881 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2018-10-26 19:19:15,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:19:15,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-26 19:19:15,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:15,927 INFO L225 Difference]: With dead ends: 69 [2018-10-26 19:19:15,927 INFO L226 Difference]: Without dead ends: 52 [2018-10-26 19:19:15,928 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:19:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-10-26 19:19:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-10-26 19:19:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-26 19:19:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2018-10-26 19:19:15,937 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 19 [2018-10-26 19:19:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:15,938 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2018-10-26 19:19:15,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:19:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2018-10-26 19:19:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 19:19:15,938 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:15,939 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:15,939 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:15,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:15,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1029457714, now seen corresponding path program 1 times [2018-10-26 19:19:15,940 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:15,940 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:19:15,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:16,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:16,169 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:16,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:16,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:19:16,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:19:16,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:19:16,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:19:16,185 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 7 states. [2018-10-26 19:19:26,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:26,102 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-10-26 19:19:26,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:19:26,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-10-26 19:19:26,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:26,105 INFO L225 Difference]: With dead ends: 56 [2018-10-26 19:19:26,105 INFO L226 Difference]: Without dead ends: 53 [2018-10-26 19:19:26,105 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:19:26,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-10-26 19:19:26,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-10-26 19:19:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-26 19:19:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-10-26 19:19:26,110 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 21 [2018-10-26 19:19:26,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:26,110 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-10-26 19:19:26,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:19:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-10-26 19:19:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 19:19:26,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:26,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:26,128 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:26,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:26,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1601239440, now seen corresponding path program 1 times [2018-10-26 19:19:26,128 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:26,128 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:19:26,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:27,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:27,310 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:27,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:27,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:19:27,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:19:27,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:19:27,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:19:27,334 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 7 states. [2018-10-26 19:19:36,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:36,609 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2018-10-26 19:19:36,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 19:19:36,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-10-26 19:19:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:36,654 INFO L225 Difference]: With dead ends: 73 [2018-10-26 19:19:36,654 INFO L226 Difference]: Without dead ends: 39 [2018-10-26 19:19:36,654 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:19:36,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-26 19:19:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-10-26 19:19:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 19:19:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-10-26 19:19:36,660 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 23 [2018-10-26 19:19:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:36,661 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-10-26 19:19:36,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:19:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-10-26 19:19:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:19:36,662 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:36,662 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:36,662 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:36,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:36,662 INFO L82 PathProgramCache]: Analyzing trace with hash 835656139, now seen corresponding path program 1 times [2018-10-26 19:19:36,663 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:36,663 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:19:36,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:37,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:38,456 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:19:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:38,463 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:38,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:38,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:19:38,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:19:38,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:19:38,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:19:38,486 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 6 states. [2018-10-26 19:19:43,410 WARN L179 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:19:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:48,764 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-10-26 19:19:48,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:19:48,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-10-26 19:19:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:48,770 INFO L225 Difference]: With dead ends: 50 [2018-10-26 19:19:48,770 INFO L226 Difference]: Without dead ends: 30 [2018-10-26 19:19:48,770 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:19:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-26 19:19:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-10-26 19:19:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-26 19:19:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-10-26 19:19:48,775 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 24 [2018-10-26 19:19:48,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:48,776 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-10-26 19:19:48,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:19:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-10-26 19:19:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:19:48,776 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:48,777 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:48,777 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:48,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash 420815084, now seen corresponding path program 1 times [2018-10-26 19:19:48,777 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:19:48,777 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/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 [2018-10-26 19:19:48,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:48,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:19:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:49,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:19:49,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:49,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-26 19:19:49,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 19:19:49,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 19:19:49,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-26 19:19:49,210 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand 12 states. [2018-10-26 19:19:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:49,797 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-10-26 19:19:49,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 19:19:49,798 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-10-26 19:19:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:49,799 INFO L225 Difference]: With dead ends: 30 [2018-10-26 19:19:49,799 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:19:49,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-10-26 19:19:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:19:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:19:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:19:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:19:49,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-10-26 19:19:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:49,801 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:19:49,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 19:19:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:19:49,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:19:49,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:19:50,083 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-10-26 19:19:50,222 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 14 27) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-10-26 19:19:50,336 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-10-26 19:19:50,337 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-10-26 19:19:50,337 INFO L428 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: true [2018-10-26 19:19:50,337 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:19:50,337 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_atan~0)) [2018-10-26 19:19:50,337 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:19:50,337 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:19:50,337 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 129 147) the Hoare annotation is: true [2018-10-26 19:19:50,337 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 129 147) no Hoare annotation was computed. [2018-10-26 19:19:50,337 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 129 147) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L421 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |main_#t~short29| (= main_~res~0 .cse0) (= main_~x~0 .cse0))) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L141-4(lines 141 144) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2018-10-26 19:19:50,338 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L421 ceAbstractionStarter]: At program point L57-3(lines 57 61) the Hoare annotation is: (or (= |atan_float_#in~x| atan_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L57-4(lines 57 61) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L421 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand atan_float_~hx~0 (_ bv2147483647 32)) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvslt (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv822083584 32))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|))) (= |atan_float_#in~x| atan_float_~x)) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2018-10-26 19:19:50,339 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 117 127) no Hoare annotation was computed. [2018-10-26 19:19:50,340 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-10-26 19:19:50,341 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 19:19:50,341 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-10-26 19:19:50,341 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 117 127) the Hoare annotation is: true [2018-10-26 19:19:50,341 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 117 127) no Hoare annotation was computed. [2018-10-26 19:19:50,348 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,349 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,349 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,349 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,353 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,353 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,353 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,353 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,354 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,354 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,355 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,355 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,355 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,355 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,356 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,356 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:19:50 BoogieIcfgContainer [2018-10-26 19:19:50,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:19:50,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:19:50,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:19:50,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:19:50,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:04" (3/4) ... [2018-10-26 19:19:50,362 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:19:50,368 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:19:50,368 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-26 19:19:50,368 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:19:50,368 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-10-26 19:19:50,369 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-10-26 19:19:50,377 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 19:19:50,377 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2018-10-26 19:19:50,378 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-10-26 19:19:50,378 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:19:50,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) [2018-10-26 19:19:50,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) [2018-10-26 19:19:50,454 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_87dd5031-b03b-433d-b365-ac5478c183e1/bin-2019/utaipan/witness.graphml [2018-10-26 19:19:50,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:19:50,455 INFO L168 Benchmark]: Toolchain (without parser) took 54207.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 954.6 MB in the beginning and 1.2 GB in the end (delta: -220.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:19:50,456 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-10-26 19:19:50,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.17 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,456 INFO L168 Benchmark]: Boogie Preprocessor took 79.87 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,457 INFO L168 Benchmark]: RCFGBuilder took 7738.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,457 INFO L168 Benchmark]: TraceAbstraction took 45826.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.2 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,457 INFO L168 Benchmark]: Witness Printer took 96.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:50,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 378.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.17 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.87 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7738.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45826.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.2 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. * Witness Printer took 96.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 57]: Loop Invariant [2018-10-26 19:19:50,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2018-10-26 19:19:50,467 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,475 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,475 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:19:50,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. SAFE Result, 45.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 40.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 243 SDtfs, 185 SDslu, 754 SDs, 0 SdLazy, 292 SolverSat, 21 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 37.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 28 NumberOfFragments, 173 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 152 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 128 ConstructedInterpolants, 14 QuantifiedInterpolants, 18944 SizeOfPredicates, 41 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...