./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f34c9af5e60504f1364e379bcac8e1834a417d6 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f34c9af5e60504f1364e379bcac8e1834a417d6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:06,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:06,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:06,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:06,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:06,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:06,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:06,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:06,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:06,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:06,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:06,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:06,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:06,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:06,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:06,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:06,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:06,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:06,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:06,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:06,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:06,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:06,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:06,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:06,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:06,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:06,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:06,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:06,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:06,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:06,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:06,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:06,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:06,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:06,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:06,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:06,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:06,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:06,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:06,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:06,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:06,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:57:06,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:06,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:06,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:06,819 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:06,819 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:06,820 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:06,820 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:57:06,820 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:06,820 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:06,820 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:57:06,821 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:57:06,821 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:06,821 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:57:06,821 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:57:06,822 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:57:06,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:06,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:06,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:57:06,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:06,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:06,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:06,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:06,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:06,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:06,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:06,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:06,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:06,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:06,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:06,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:06,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:06,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:06,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:06,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:06,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:06,827 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:57:06,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:57:06,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:06,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:06,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:06,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f34c9af5e60504f1364e379bcac8e1834a417d6 [2020-11-22 12:57:07,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:07,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:07,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:07,086 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:07,088 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:07,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130b.c [2020-11-22 12:57:07,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/2fd65f918/719f6ef1996140a2ba93454cc592dfe2/FLAG9d5b78962 [2020-11-22 12:57:07,644 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:07,645 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/sv-benchmarks/c/float-newlib/float_req_bl_1130b.c [2020-11-22 12:57:07,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/2fd65f918/719f6ef1996140a2ba93454cc592dfe2/FLAG9d5b78962 [2020-11-22 12:57:08,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/2fd65f918/719f6ef1996140a2ba93454cc592dfe2 [2020-11-22 12:57:08,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:08,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:08,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:08,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:08,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:08,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c5482b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08, skipping insertion in model container [2020-11-22 12:57:08,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:08,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:08,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:08,301 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:57:08,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:08,350 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:57:08,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08 WrapperNode [2020-11-22 12:57:08,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:08,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:08,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:57:08,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:57:08,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:08,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:57:08,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:57:08,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:57:08,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... [2020-11-22 12:57:08,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:57:08,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:57:08,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:57:08,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:57:08,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:57:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-22 12:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:57:09,239 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:57:09,239 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-22 12:57:09,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:09 BoogieIcfgContainer [2020-11-22 12:57:09,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:57:09,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:57:09,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:57:09,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:57:09,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:57:08" (1/3) ... [2020-11-22 12:57:09,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f20c4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:09, skipping insertion in model container [2020-11-22 12:57:09,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:08" (2/3) ... [2020-11-22 12:57:09,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f20c4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:09, skipping insertion in model container [2020-11-22 12:57:09,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:09" (3/3) ... [2020-11-22 12:57:09,250 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130b.c [2020-11-22 12:57:09,261 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:57:09,265 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:57:09,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:57:09,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:57:09,316 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:57:09,316 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:57:09,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:57:09,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:57:09,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:57:09,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:57:09,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:57:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-11-22 12:57:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:57:09,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:09,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:09,335 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:09,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:09,340 INFO L82 PathProgramCache]: Analyzing trace with hash -371795694, now seen corresponding path program 1 times [2020-11-22 12:57:09,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:57:09,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270292575] [2020-11-22 12:57:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:57:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:09,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270292575] [2020-11-22 12:57:09,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:09,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:57:09,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321967571] [2020-11-22 12:57:09,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:57:09,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:57:09,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:57:09,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:09,494 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-11-22 12:57:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:09,512 INFO L93 Difference]: Finished difference Result 78 states and 129 transitions. [2020-11-22 12:57:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:57:09,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 12:57:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:09,522 INFO L225 Difference]: With dead ends: 78 [2020-11-22 12:57:09,522 INFO L226 Difference]: Without dead ends: 37 [2020-11-22 12:57:09,525 INFO L677 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 [2020-11-22 12:57:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-22 12:57:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-22 12:57:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-22 12:57:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2020-11-22 12:57:09,559 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 10 [2020-11-22 12:57:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:09,559 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2020-11-22 12:57:09,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:57:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2020-11-22 12:57:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 12:57:09,560 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:09,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:09,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:57:09,561 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:09,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:09,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1308950481, now seen corresponding path program 1 times [2020-11-22 12:57:09,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:57:09,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030643285] [2020-11-22 12:57:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:57:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:57:09,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:57:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:57:09,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:57:09,735 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:57:09,735 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:57:09,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:57:09,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:57:09 BoogieIcfgContainer [2020-11-22 12:57:09,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:57:09,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:57:09,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:57:09,767 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:57:09,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:09" (3/4) ... [2020-11-22 12:57:09,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:57:09,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:57:09,772 INFO L168 Benchmark]: Toolchain (without parser) took 1753.52 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 35.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,773 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:09,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.90 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 99.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.11 ms. Allocated memory is still 125.8 MB. Free memory was 99.7 MB in the beginning and 97.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,775 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 ms. Allocated memory is still 125.8 MB. Free memory was 97.6 MB in the beginning and 96.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,776 INFO L168 Benchmark]: RCFGBuilder took 792.35 ms. Allocated memory is still 125.8 MB. Free memory was 96.1 MB in the beginning and 62.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,777 INFO L168 Benchmark]: TraceAbstraction took 522.65 ms. Allocated memory is still 125.8 MB. Free memory was 62.0 MB in the beginning and 35.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:09,777 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 125.8 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:09,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.90 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 99.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.11 ms. Allocated memory is still 125.8 MB. Free memory was 99.7 MB in the beginning and 97.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.96 ms. Allocated memory is still 125.8 MB. Free memory was 97.6 MB in the beginning and 96.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 792.35 ms. Allocated memory is still 125.8 MB. Free memory was 96.1 MB in the beginning and 62.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 522.65 ms. Allocated memory is still 125.8 MB. Free memory was 62.0 MB in the beginning and 35.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.94 ms. Allocated memory is still 125.8 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someUnaryFLOAToperation at line 128, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L128] float x = -0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={6:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_fmod=1, Zero_fmod={6:0}] [L136] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L3] __assert_fail("0", "float_req_bl_1130b.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 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=40occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-22 12:57:12,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:12,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:12,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:12,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:12,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:12,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:12,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:12,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:12,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:12,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:12,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:12,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:12,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:12,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:12,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:12,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:12,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:12,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:12,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:12,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:12,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:12,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:12,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:12,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:12,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:12,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:12,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:12,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:12,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:12,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:12,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:12,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:12,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:12,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:12,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:12,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:12,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:12,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:12,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:12,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:12,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:57:12,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:12,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:12,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:12,395 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:12,396 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:12,396 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:12,396 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:12,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:12,397 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:12,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:12,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:12,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:12,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:12,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:12,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:12,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:12,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:12,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:57:12,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:57:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:12,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:12,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:12,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:12,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:12,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:57:12,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:12,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:12,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:12,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:12,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:12,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:12,403 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:57:12,403 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:57:12,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:12,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:12,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:12,404 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f34c9af5e60504f1364e379bcac8e1834a417d6 [2020-11-22 12:57:12,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:12,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:12,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:12,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:12,793 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:12,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130b.c [2020-11-22 12:57:12,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/bbaeefd23/8cd023c1a72649479be425a6b9f282fb/FLAGe0c949ced [2020-11-22 12:57:13,468 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:13,468 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/sv-benchmarks/c/float-newlib/float_req_bl_1130b.c [2020-11-22 12:57:13,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/bbaeefd23/8cd023c1a72649479be425a6b9f282fb/FLAGe0c949ced [2020-11-22 12:57:13,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/data/bbaeefd23/8cd023c1a72649479be425a6b9f282fb [2020-11-22 12:57:13,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:13,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:13,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:13,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:13,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:13,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:13" (1/1) ... [2020-11-22 12:57:13,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d74a6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:13, skipping insertion in model container [2020-11-22 12:57:13,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:13" (1/1) ... [2020-11-22 12:57:13,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:13,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:14,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:14,069 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:57:14,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:14,129 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:57:14,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14 WrapperNode [2020-11-22 12:57:14,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:14,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:14,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:57:14,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:57:14,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:14,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:57:14,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:57:14,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:57:14,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... [2020-11-22 12:57:14,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:57:14,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:57:14,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:57:14,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:57:14,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-22 12:57:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:57:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:57:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 12:57:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:57:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:57:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:57:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 12:57:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:57:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:57:16,772 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:57:16,773 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-22 12:57:16,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:16 BoogieIcfgContainer [2020-11-22 12:57:16,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:57:16,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:57:16,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:57:16,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:57:16,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:57:13" (1/3) ... [2020-11-22 12:57:16,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53532aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:16, skipping insertion in model container [2020-11-22 12:57:16,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:14" (2/3) ... [2020-11-22 12:57:16,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53532aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:16, skipping insertion in model container [2020-11-22 12:57:16,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:16" (3/3) ... [2020-11-22 12:57:16,782 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130b.c [2020-11-22 12:57:16,793 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:57:16,797 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:57:16,806 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:57:16,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:57:16,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:57:16,828 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:57:16,828 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:57:16,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:57:16,829 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:57:16,829 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:57:16,829 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:57:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-22 12:57:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:57:16,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:16,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:16,846 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:16,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:16,851 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-22 12:57:16,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:16,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649770197] [2020-11-22 12:57:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:17,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:57:17,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:17,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:17,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649770197] [2020-11-22 12:57:17,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:17,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:57:17,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700967040] [2020-11-22 12:57:17,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:57:17,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:17,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:57:17,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:17,270 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-22 12:57:17,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:17,292 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-22 12:57:17,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:57:17,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-22 12:57:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:17,301 INFO L225 Difference]: With dead ends: 94 [2020-11-22 12:57:17,301 INFO L226 Difference]: Without dead ends: 44 [2020-11-22 12:57:17,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:17,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-22 12:57:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-22 12:57:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-22 12:57:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-22 12:57:17,337 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-22 12:57:17,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:17,338 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-22 12:57:17,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:57:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-22 12:57:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 12:57:17,339 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:17,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:17,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:57:17,558 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:17,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-22 12:57:17,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:17,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372705138] [2020-11-22 12:57:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:17,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-22 12:57:17,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:18,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:57:24,271 WARN L193 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-11-22 12:57:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:24,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:24,426 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 12:57:24,687 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 12:57:24,894 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-22 12:57:24,900 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 12:57:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:24,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372705138] [2020-11-22 12:57:24,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:24,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-22 12:57:24,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258696488] [2020-11-22 12:57:24,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 12:57:24,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 12:57:24,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:57:24,989 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2020-11-22 12:57:25,335 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-11-22 12:57:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:25,377 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2020-11-22 12:57:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:57:25,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-22 12:57:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:25,381 INFO L225 Difference]: With dead ends: 53 [2020-11-22 12:57:25,382 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:57:25,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:57:25,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:57:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:57:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:57:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-22 12:57:25,393 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2020-11-22 12:57:25,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:25,394 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-22 12:57:25,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 12:57:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-22 12:57:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 12:57:25,395 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:25,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:25,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:57:25,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2020-11-22 12:57:25,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:25,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501497377] [2020-11-22 12:57:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:25,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:57:25,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:25,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:25,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501497377] [2020-11-22 12:57:25,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:25,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-22 12:57:25,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159039129] [2020-11-22 12:57:25,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:57:25,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:25,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:57:25,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:57:25,851 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-11-22 12:57:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:25,973 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-22 12:57:25,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:57:25,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-22 12:57:25,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:25,976 INFO L225 Difference]: With dead ends: 22 [2020-11-22 12:57:25,976 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:57:25,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:57:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:57:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:57:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:57:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-22 12:57:25,981 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-22 12:57:25,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:25,981 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-22 12:57:25,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:57:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-22 12:57:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:57:25,982 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:25,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:26,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:57:26,183 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2020-11-22 12:57:26,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:26,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062560076] [2020-11-22 12:57:26,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/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 [2020-11-22 12:57:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:26,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-22 12:57:26,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:26,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:57:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:26,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:26,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062560076] [2020-11-22 12:57:26,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:26,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-11-22 12:57:26,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505222664] [2020-11-22 12:57:26,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-22 12:57:26,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:26,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-22 12:57:26,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:57:26,770 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2020-11-22 12:57:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:27,068 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-22 12:57:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:57:27,069 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2020-11-22 12:57:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:27,069 INFO L225 Difference]: With dead ends: 19 [2020-11-22 12:57:27,069 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:57:27,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-11-22 12:57:27,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:57:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:57:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:57:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:57:27,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-22 12:57:27,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:27,070 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:57:27,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-22 12:57:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:57:27,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:57:27,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:57:27,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:57:27,654 INFO L274 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-11-22 12:57:27,654 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-11-22 12:57:27,654 INFO L274 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,654 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-11-22 12:57:27,654 INFO L270 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| .cse0) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= .cse0 ULTIMATE.start_main_~res~0) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (fp.neg (_ +zero 8 24))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) (= ULTIMATE.start_fmod_float_~x .cse0) |ULTIMATE.start_main_#t~short24| (= ULTIMATE.start_main_~x~0 .cse0))) [2020-11-22 12:57:27,654 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L270 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,655 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L270 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_fmod_float_#res| .cse0) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= .cse0 ULTIMATE.start_main_~res~0) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (fp.neg (_ +zero 8 24))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) (= ULTIMATE.start_fmod_float_~x .cse0) |ULTIMATE.start_main_#t~short24| (= ULTIMATE.start_main_~x~0 .cse0))) [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_fmod_float_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0))) [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L274 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,656 INFO L270 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_fmod_float_#res| .cse0) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (fp.neg (_ +zero 8 24))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) (= ULTIMATE.start_fmod_float_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0))) [2020-11-22 12:57:27,657 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-22 12:57:27,657 INFO L274 CegarLoopResult]: For program point L131(lines 131 140) no Hoare annotation was computed. [2020-11-22 12:57:27,657 INFO L274 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-11-22 12:57:27,657 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:57:27,657 INFO L274 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-11-22 12:57:27,657 INFO L270 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-11-22 12:57:27,658 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:27,658 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-11-22 12:57:27,658 INFO L270 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-11-22 12:57:27,658 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-11-22 12:57:27,659 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-11-22 12:57:27,660 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-11-22 12:57:27,660 INFO L274 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-11-22 12:57:27,660 INFO L277 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-11-22 12:57:27,660 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-11-22 12:57:27,660 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-11-22 12:57:27,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:57:27 BoogieIcfgContainer [2020-11-22 12:57:27,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:57:27,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:57:27,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:57:27,693 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:57:27,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:16" (3/4) ... [2020-11-22 12:57:27,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:57:27,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-22 12:57:27,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-22 12:57:27,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:27,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:27,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1a228f5-874c-4153-8d20-d199f7793b94/bin/utaipan/witness.graphml [2020-11-22 12:57:27,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:57:27,747 INFO L168 Benchmark]: Toolchain (without parser) took 13943.51 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 24.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,747 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:27,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.72 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 35.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.50 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 32.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,749 INFO L168 Benchmark]: Boogie Preprocessor took 42.19 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 30.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,750 INFO L168 Benchmark]: RCFGBuilder took 2552.34 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 47.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,750 INFO L168 Benchmark]: TraceAbstraction took 10916.20 ms. Allocated memory is still 67.1 MB. Free memory was 46.8 MB in the beginning and 27.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,751 INFO L168 Benchmark]: Witness Printer took 52.83 ms. Allocated memory is still 67.1 MB. Free memory was 27.6 MB in the beginning and 24.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:27,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.72 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 35.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.50 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 32.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.19 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 30.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2552.34 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 47.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10916.20 ms. Allocated memory is still 67.1 MB. Free memory was 46.8 MB in the beginning and 27.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 52.83 ms. Allocated memory is still 67.1 MB. Free memory was 27.6 MB in the beginning and 24.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 19]: Loop Invariant [2020-11-22 12:57:27,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 109]: Loop Invariant [2020-11-22 12:57:27,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((~bvadd64(\result, 4294967295bv32) == 0bv32 && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == res) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant [2020-11-22 12:57:27,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-22 12:57:27,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-22 12:57:27,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == res) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 159 SDslu, 126 SDs, 0 SdLazy, 76 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 221 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 10646 SizeOfPredicates, 28 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...