./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 c6b275d471d235c565842a02c594b024c1203d73 ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 c6b275d471d235c565842a02c594b024c1203d73 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:19,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:19,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:19,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:19,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:19,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:19,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:19,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:19,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:19,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:19,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:19,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:19,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:19,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:19,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:19,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:19,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:19,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:19,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:19,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:19,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:19,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:19,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:19,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:19,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:19,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:19,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:19,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:19,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:19,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:19,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:19,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:19,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:19,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:19,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:19,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:19,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:19,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:19,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:19,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:19,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:19,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:19,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:19,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:19,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:19,918 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:19,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:19,918 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:19,919 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:19,919 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:19,919 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:19,919 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:19,919 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:19,920 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:19,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:19,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:19,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:19,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:19,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:19,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:19,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:19,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:19,922 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:19,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:19,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:19,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:19,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:19,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:19,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:19,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:19,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:19,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:19,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:19,924 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:19,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:19,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:19,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:19,925 INFO L138 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_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 -> c6b275d471d235c565842a02c594b024c1203d73 [2019-10-22 11:27:19,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:19,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:19,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:19,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:19,982 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:19,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-10-22 11:27:20,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/39ae90553/599544e622e740d28bbd8440fac42fee/FLAGe638837ae [2019-10-22 11:27:20,437 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:20,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-10-22 11:27:20,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/39ae90553/599544e622e740d28bbd8440fac42fee/FLAGe638837ae [2019-10-22 11:27:20,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/39ae90553/599544e622e740d28bbd8440fac42fee [2019-10-22 11:27:20,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:20,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:20,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:20,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:20,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:20,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:20" (1/1) ... [2019-10-22 11:27:20,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5768abd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:20, skipping insertion in model container [2019-10-22 11:27:20,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:20" (1/1) ... [2019-10-22 11:27:20,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:20,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:21,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,184 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:21,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,259 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:21,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21 WrapperNode [2019-10-22 11:27:21,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:21,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:21,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:21,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:21,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:21,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:21,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:21,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 [2019-10-22 11:27:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:27:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:27:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 11:27:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:22,166 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:22,166 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-22 11:27:22,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22 BoogieIcfgContainer [2019-10-22 11:27:22,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:22,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:22,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:22,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:22,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:20" (1/3) ... [2019-10-22 11:27:22,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c138ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (2/3) ... [2019-10-22 11:27:22,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c138ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22" (3/3) ... [2019-10-22 11:27:22,175 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-10-22 11:27:22,184 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:22,192 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:27:22,201 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:27:22,231 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:22,232 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:22,232 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:22,232 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:22,232 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:22,232 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:22,232 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:22,233 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-22 11:27:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:27:22,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:22,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:22,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2019-10-22 11:27:22,278 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:22,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810145610] [2019-10-22 11:27:22,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:22,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810145610] [2019-10-22 11:27:22,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:22,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:22,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109381584] [2019-10-22 11:27:22,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:22,423 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:22,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:22,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:22,437 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-22 11:27:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:22,467 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2019-10-22 11:27:22,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:22,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-10-22 11:27:22,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:22,480 INFO L225 Difference]: With dead ends: 224 [2019-10-22 11:27:22,480 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 11:27:22,484 INFO L600 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 [2019-10-22 11:27:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 11:27:22,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-22 11:27:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:27:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2019-10-22 11:27:22,527 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2019-10-22 11:27:22,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:22,528 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2019-10-22 11:27:22,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2019-10-22 11:27:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:22,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,528 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:22,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:22,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2019-10-22 11:27:22,530 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:22,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563772787] [2019-10-22 11:27:22,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:22,813 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:27:22,813 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:27:22,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:22 BoogieIcfgContainer [2019-10-22 11:27:22,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:22,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:22,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:22,875 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:22,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22" (3/4) ... [2019-10-22 11:27:22,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:27:22,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:22,886 INFO L168 Benchmark]: Toolchain (without parser) took 2102.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,886 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -229.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,888 INFO L168 Benchmark]: Boogie Preprocessor took 77.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,888 INFO L168 Benchmark]: RCFGBuilder took 731.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,889 INFO L168 Benchmark]: TraceAbstraction took 705.98 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,889 INFO L168 Benchmark]: Witness Printer took 8.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -229.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 731.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 705.98 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Witness Printer took 8.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] 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, }; [L50-L52] 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; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L13] return x != x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] isnan_float(x) || isnan_float(y) VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L126] ieee_float_shape_type gf_u; [L127] gf_u.value = (x) [L128] EXPR gf_u.word [L128] (hx) = gf_u.word [L130] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L132] ieee_float_shape_type gf_u; [L133] gf_u.value = (y) [L134] EXPR gf_u.word [L134] (hy) = gf_u.word [L136] iy = hy & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] return x + y; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] float res = __ieee754_atan2f(y, x); [L13] return x != x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 165 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=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-10-22 11:27:24,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:24,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:24,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:24,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:24,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:24,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:24,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:24,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:24,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:24,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:24,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:24,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:24,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:24,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:24,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:24,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:24,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:25,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:25,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:25,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:25,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:25,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:25,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:25,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:25,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:25,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:25,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:25,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:25,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:25,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:25,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:25,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:25,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:25,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:25,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:25,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:25,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:25,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:25,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:25,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:25,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:25,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:25,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:25,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:25,054 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:25,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:25,054 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:25,054 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:25,054 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:25,054 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:25,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:25,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:25,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:25,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:25,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:25,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:25,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:25,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:25,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:25,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:25,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:25,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:25,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:25,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:25,062 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 -> c6b275d471d235c565842a02c594b024c1203d73 [2019-10-22 11:27:25,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:25,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:25,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:25,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:25,123 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:25,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-10-22 11:27:25,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/e4520b77d/1d83878c6d484549a718b72e41d897d9/FLAG8edf90890 [2019-10-22 11:27:25,582 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:25,582 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-10-22 11:27:25,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/e4520b77d/1d83878c6d484549a718b72e41d897d9/FLAG8edf90890 [2019-10-22 11:27:25,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/data/e4520b77d/1d83878c6d484549a718b72e41d897d9 [2019-10-22 11:27:25,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:25,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:25,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:25,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:25,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:25,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:25" (1/1) ... [2019-10-22 11:27:25,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbafb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:25, skipping insertion in model container [2019-10-22 11:27:25,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:25" (1/1) ... [2019-10-22 11:27:25,619 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:25,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:25,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:25,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:26,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:26,061 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:26,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26 WrapperNode [2019-10-22 11:27:26,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:26,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:26,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:26,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:26,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:26,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:26,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:26,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:26,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... [2019-10-22 11:27:26,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:26,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:26,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:26,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:26,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 [2019-10-22 11:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-10-22 11:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 11:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 11:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:43,183 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:43,183 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-22 11:27:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:43 BoogieIcfgContainer [2019-10-22 11:27:43,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:43,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:43,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:43,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:43,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:25" (1/3) ... [2019-10-22 11:27:43,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569ab4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:43, skipping insertion in model container [2019-10-22 11:27:43,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:26" (2/3) ... [2019-10-22 11:27:43,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569ab4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:43, skipping insertion in model container [2019-10-22 11:27:43,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:43" (3/3) ... [2019-10-22 11:27:43,192 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-10-22 11:27:43,201 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:43,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:27:43,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:27:43,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:43,243 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:43,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:43,244 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:43,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:43,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:43,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:43,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-22 11:27:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:27:43,266 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:43,267 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:43,269 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:43,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:43,274 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2019-10-22 11:27:43,281 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:43,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727428548] [2019-10-22 11:27:43,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 11:27:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:43,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:27:43,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:43,465 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:43,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727428548] [2019-10-22 11:27:43,470 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:43,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:27:43,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67649711] [2019-10-22 11:27:43,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:43,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:43,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:43,485 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-22 11:27:43,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:43,509 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2019-10-22 11:27:43,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:43,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-10-22 11:27:43,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:43,520 INFO L225 Difference]: With dead ends: 224 [2019-10-22 11:27:43,520 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 11:27:43,523 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 11:27:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-22 11:27:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:27:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2019-10-22 11:27:43,557 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2019-10-22 11:27:43,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:43,557 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2019-10-22 11:27:43,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2019-10-22 11:27:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:43,558 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:43,558 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:43,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:27:43,766 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:43,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:43,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2019-10-22 11:27:43,767 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:43,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773860299] [2019-10-22 11:27:43,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 11:27:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:43,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-22 11:27:43,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:43,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:44,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:44,405 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:44,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:44,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773860299] [2019-10-22 11:27:44,958 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:44,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-10-22 11:27:44,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460794440] [2019-10-22 11:27:44,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 11:27:44,960 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:44,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 11:27:44,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:27:44,961 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 14 states. [2019-10-22 11:27:45,473 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 13 [2019-10-22 11:27:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:47,961 INFO L93 Difference]: Finished difference Result 222 states and 318 transitions. [2019-10-22 11:27:47,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:27:47,979 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-10-22 11:27:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:47,981 INFO L225 Difference]: With dead ends: 222 [2019-10-22 11:27:47,981 INFO L226 Difference]: Without dead ends: 217 [2019-10-22 11:27:47,982 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2019-10-22 11:27:47,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-22 11:27:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 119. [2019-10-22 11:27:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 11:27:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-10-22 11:27:48,000 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2019-10-22 11:27:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:48,001 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-10-22 11:27:48,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 11:27:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-10-22 11:27:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:48,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:48,002 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:48,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:27:48,211 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:48,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:48,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2019-10-22 11:27:48,212 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:48,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771789203] [2019-10-22 11:27:48,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 [2019-10-22 11:27:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:48,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-22 11:27:48,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:48,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:48,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:48,639 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:48,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:48,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771789203] [2019-10-22 11:27:48,999 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:48,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2019-10-22 11:27:48,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132220609] [2019-10-22 11:27:49,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 11:27:49,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:49,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 11:27:49,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:27:49,001 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 13 states. [2019-10-22 11:27:49,607 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2019-10-22 11:27:49,973 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2019-10-22 11:27:53,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:53,399 INFO L93 Difference]: Finished difference Result 222 states and 317 transitions. [2019-10-22 11:27:53,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:27:53,410 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2019-10-22 11:27:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:53,412 INFO L225 Difference]: With dead ends: 222 [2019-10-22 11:27:53,412 INFO L226 Difference]: Without dead ends: 217 [2019-10-22 11:27:53,413 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2019-10-22 11:27:53,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-22 11:27:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 124. [2019-10-22 11:27:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-22 11:27:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-10-22 11:27:53,427 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2019-10-22 11:27:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:53,428 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-10-22 11:27:53,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 11:27:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-10-22 11:27:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:27:53,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:53,429 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:53,629 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:27:53,630 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:53,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:53,630 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2019-10-22 11:27:53,630 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:53,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352647237] [2019-10-22 11:27:53,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 [2019-10-22 11:27:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:53,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 11:27:53,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:53,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:53,901 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:54,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:54,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352647237] [2019-10-22 11:27:54,054 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:54,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-10-22 11:27:54,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489241256] [2019-10-22 11:27:54,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 11:27:54,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 11:27:54,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:27:54,056 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2019-10-22 11:27:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:54,741 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2019-10-22 11:27:54,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:27:54,741 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-10-22 11:27:54,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:54,742 INFO L225 Difference]: With dead ends: 227 [2019-10-22 11:27:54,742 INFO L226 Difference]: Without dead ends: 121 [2019-10-22 11:27:54,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2019-10-22 11:27:54,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-22 11:27:54,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2019-10-22 11:27:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:27:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2019-10-22 11:27:54,749 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2019-10-22 11:27:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:54,749 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2019-10-22 11:27:54,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 11:27:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2019-10-22 11:27:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:54,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:54,750 INFO L380 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] [2019-10-22 11:27:54,951 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 11:27:54,951 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:54,951 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2019-10-22 11:27:54,952 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:54,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653116794] [2019-10-22 11:27:54,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/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 [2019-10-22 11:27:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:55,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 11:27:55,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:55,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:55,178 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:55,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:27:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:55,251 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653116794] [2019-10-22 11:27:55,251 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:55,251 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2019-10-22 11:27:55,251 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32986185] [2019-10-22 11:27:55,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:27:55,252 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:27:55,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:27:55,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:27:55,252 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2019-10-22 11:27:55,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:55,589 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-10-22 11:27:55,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:27:55,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-10-22 11:27:55,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:55,590 INFO L225 Difference]: With dead ends: 111 [2019-10-22 11:27:55,590 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:55,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:27:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:55,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-10-22 11:27:55,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:55,591 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:55,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:27:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:55,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:55,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 11:27:55,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:56,115 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-10-22 11:27:56,347 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-10-22 11:27:56,349 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-22 11:27:56,349 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 138) no Hoare annotation was computed. [2019-10-22 11:27:56,349 INFO L443 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2019-10-22 11:27:56,349 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L204-1(lines 197 209) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 97) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L72-2(lines 72 97) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 140) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 76) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2019-10-22 11:27:56,350 INFO L443 ceAbstractionStarter]: For program point L73-5(lines 73 76) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L446 ceAbstractionStarter]: At program point L239(lines 218 240) the Hoare annotation is: true [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 75) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 153) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 110 115) no Hoare annotation was computed. [2019-10-22 11:27:56,351 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) [2019-10-22 11:27:56,352 INFO L439 ceAbstractionStarter]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse2 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse1 (not .cse2)) (.cse0 (not |ULTIMATE.start_main_#t~short46|))) (and (or .cse0 .cse1) (or (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) .cse1) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))) (let ((.cse3 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse3 .cse0) (and |ULTIMATE.start_main_#t~short46| (not .cse3))))))) [2019-10-22 11:27:56,352 INFO L439 ceAbstractionStarter]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y))))))) [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 96) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L80-1(lines 80 96) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L81(lines 81 87) no Hoare annotation was computed. [2019-10-22 11:27:56,352 INFO L443 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L439 ceAbstractionStarter]: At program point L114-3(lines 54 116) the Hoare annotation is: false [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L81-3(lines 81 87) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L114-4(line 114) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L114-6(line 114) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L439 ceAbstractionStarter]: At program point L114-7(lines 54 116) the Hoare annotation is: false [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L439 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: false [2019-10-22 11:27:56,353 INFO L443 ceAbstractionStarter]: For program point L17-5(lines 17 21) no Hoare annotation was computed. [2019-10-22 11:27:56,353 INFO L439 ceAbstractionStarter]: At program point L17-6(lines 17 21) the Hoare annotation is: false [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point L17-9(lines 17 21) no Hoare annotation was computed. [2019-10-22 11:27:56,354 INFO L439 ceAbstractionStarter]: At program point L17-10(lines 17 21) the Hoare annotation is: false [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point L185-2(line 185) no Hoare annotation was computed. [2019-10-22 11:27:56,354 INFO L439 ceAbstractionStarter]: At program point L121(lines 121 216) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y))))))) [2019-10-22 11:27:56,354 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 15 28) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-4(lines 15 28) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-6(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-7(lines 15 28) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L22-8(lines 22 26) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 193) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 95) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L89-3(lines 89 95) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L89-5(lines 72 97) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point L156-2(line 156) no Hoare annotation was computed. [2019-10-22 11:27:56,355 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 193) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L439 ceAbstractionStarter]: At program point L58-2(lines 58 62) the Hoare annotation is: false [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L58-5(lines 58 62) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L439 ceAbstractionStarter]: At program point L58-6(lines 58 62) the Hoare annotation is: false [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L58-7(lines 58 62) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 182) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L439 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))))) [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 181) no Hoare annotation was computed. [2019-10-22 11:27:56,356 INFO L439 ceAbstractionStarter]: At program point L27(lines 15 28) the Hoare annotation is: false [2019-10-22 11:27:56,357 INFO L439 ceAbstractionStarter]: At program point L27-1(lines 15 28) the Hoare annotation is: false [2019-10-22 11:27:56,357 INFO L439 ceAbstractionStarter]: At program point L27-2(lines 15 28) the Hoare annotation is: false [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 169) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 215) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L227-2(lines 227 237) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L227-4(lines 227 237) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 71) no Hoare annotation was computed. [2019-10-22 11:27:56,357 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 71) no Hoare annotation was computed. [2019-10-22 11:27:56,358 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-22 11:27:56,358 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2019-10-22 11:27:56,358 INFO L439 ceAbstractionStarter]: At program point L131-2(lines 131 135) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)) (not (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse1 .cse1))))) (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2019-10-22 11:27:56,358 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 66) no Hoare annotation was computed. [2019-10-22 11:27:56,358 INFO L443 ceAbstractionStarter]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2019-10-22 11:27:56,358 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 66) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L439 ceAbstractionStarter]: At program point L199-2(lines 199 203) the Hoare annotation is: false [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L67(lines 67 70) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L67-1(lines 67 70) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 236) no Hoare annotation was computed. [2019-10-22 11:27:56,359 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-22 11:27:56,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:56 BoogieIcfgContainer [2019-10-22 11:27:56,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:56,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:56,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:56,385 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:56,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:43" (3/4) ... [2019-10-22 11:27:56,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:56,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:27:56,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:27:56,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x)) [2019-10-22 11:27:56,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!aux-isnan_float(x) || isnan_float(y)-aux || !~fp.eq~FLOAT(y, y)) && ((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result))) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x))) [2019-10-22 11:27:56,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) [2019-10-22 11:27:56,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) || ((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) [2019-10-22 11:27:56,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) [2019-10-22 11:27:56,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) [2019-10-22 11:27:56,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8e73ed4-a83e-4f9e-8a13-8d22690de215/bin/utaipan/witness.graphml [2019-10-22 11:27:56,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:56,489 INFO L168 Benchmark]: Toolchain (without parser) took 30885.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 948.3 MB in the beginning and 1.0 GB in the end (delta: -54.5 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,489 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:56,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.16 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,490 INFO L168 Benchmark]: Boogie Preprocessor took 80.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:56,490 INFO L168 Benchmark]: RCFGBuilder took 16962.03 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,490 INFO L168 Benchmark]: TraceAbstraction took 13199.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,491 INFO L168 Benchmark]: Witness Printer took 102.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:56,492 INFO L335 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 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.16 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16962.03 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13199.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * Witness Printer took 102.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 13]: Loop Invariant [2019-10-22 11:27:56,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] Derived loop invariant: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2019-10-22 11:27:56,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:27:56,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) || ((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((!aux-isnan_float(x) || isnan_float(y)-aux || !~fp.eq~FLOAT(y, y)) && ((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result))) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant [2019-10-22 11:27:56,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-10-22 11:27:56,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:27:56,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-10-22 11:27:56,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] Derived loop invariant: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: SAFE, OverallTime: 13.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 785 SDtfs, 1551 SDslu, 4220 SDs, 0 SdLazy, 324 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 201 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 236 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 14 QuantifiedInterpolants, 15926 SizeOfPredicates, 52 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...