./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 07cf728e594e227dafc07e33770c9952635c513c ................................................................................................................................................................................................................................................................................................................... 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_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 07cf728e594e227dafc07e33770c9952635c513c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:02:42,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:42,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:42,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:42,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:42,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:42,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:42,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:42,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:42,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:42,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:42,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:42,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:42,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:42,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:42,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:42,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:42,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:42,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:42,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:42,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:42,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:42,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:42,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:42,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:42,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:42,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:42,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:42,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:42,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:42,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:42,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:42,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:42,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:42,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:42,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:42,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:42,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:42,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:42,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:42,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:42,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:42,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:42,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:42,781 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:42,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:42,782 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:42,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:42,782 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:42,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:42,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:42,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:42,784 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:42,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:42,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:42,785 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:42,786 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:42,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:42,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:42,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:42,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:42,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:42,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:42,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:42,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:42,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:42,788 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:42,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:42,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:42,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:42,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:42,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:42,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:42,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:42,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:42,792 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:42,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:42,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:42,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:42,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:42,793 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_42466bcc-75d7-43bb-a264-f0ba07000d73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-22 13:02:43,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:43,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:43,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:43,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:43,106 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:43,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-22 13:02:43,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/50b6835a4/0d066e1e45be4519b8bd250f843330f9/FLAG73b11d2cc [2020-11-22 13:02:43,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:43,650 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-22 13:02:43,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/50b6835a4/0d066e1e45be4519b8bd250f843330f9/FLAG73b11d2cc [2020-11-22 13:02:44,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/50b6835a4/0d066e1e45be4519b8bd250f843330f9 [2020-11-22 13:02:44,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:44,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:44,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:44,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:44,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:44,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65009ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44, skipping insertion in model container [2020-11-22 13:02:44,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:44,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:44,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:44,381 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:44,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:44,475 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:44,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44 WrapperNode [2020-11-22 13:02:44,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:44,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:44,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:44,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:44,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:44,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:44,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:44,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:44,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... [2020-11-22 13:02:44,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:44,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:44,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:44,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:44,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:02:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:02:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 13:02:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 13:02:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 13:02:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-22 13:02:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:02:45,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:45,344 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-22 13:02:45,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:45 BoogieIcfgContainer [2020-11-22 13:02:45,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:45,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:45,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:45,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:44" (1/3) ... [2020-11-22 13:02:45,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e977c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:45, skipping insertion in model container [2020-11-22 13:02:45,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:44" (2/3) ... [2020-11-22 13:02:45,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e977c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:45, skipping insertion in model container [2020-11-22 13:02:45,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:45" (3/3) ... [2020-11-22 13:02:45,355 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-22 13:02:45,365 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:45,369 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:02:45,381 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:02:45,404 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:45,404 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:45,404 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:45,404 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:45,404 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:45,405 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:45,405 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:45,405 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-11-22 13:02:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 13:02:45,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:45,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:45,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:45,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:45,429 INFO L82 PathProgramCache]: Analyzing trace with hash -371795694, now seen corresponding path program 1 times [2020-11-22 13:02:45,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:02:45,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105601734] [2020-11-22 13:02:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:02:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:45,563 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 13:02:45,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105601734] [2020-11-22 13:02:45,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:45,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:02:45,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196118103] [2020-11-22 13:02:45,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:02:45,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:02:45,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:02:45,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:45,584 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-11-22 13:02:45,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:45,600 INFO L93 Difference]: Finished difference Result 78 states and 129 transitions. [2020-11-22 13:02:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:02:45,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 13:02:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:45,623 INFO L225 Difference]: With dead ends: 78 [2020-11-22 13:02:45,624 INFO L226 Difference]: Without dead ends: 37 [2020-11-22 13:02:45,631 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 13:02:45,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-22 13:02:45,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-22 13:02:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-22 13:02:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2020-11-22 13:02:45,673 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 10 [2020-11-22 13:02:45,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:45,674 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2020-11-22 13:02:45,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:02:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2020-11-22 13:02:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 13:02:45,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:45,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:45,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:02:45,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:45,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1308950481, now seen corresponding path program 1 times [2020-11-22 13:02:45,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:02:45,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820677748] [2020-11-22 13:02:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:02:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:02:45,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:02:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:02:45,884 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:02:45,927 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:02:45,928 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:02:45,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:02:45,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:45 BoogieIcfgContainer [2020-11-22 13:02:45,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:45,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:45,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:45,977 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:45,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:45" (3/4) ... [2020-11-22 13:02:45,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:02:45,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:45,986 INFO L168 Benchmark]: Toolchain (without parser) took 1957.44 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 41.7 MB in the beginning and 60.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 788.8 kB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,987 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:45,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.74 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 41.5 MB in the beginning and 69.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.86 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 67.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,991 INFO L168 Benchmark]: Boogie Preprocessor took 36.74 ms. Allocated memory is still 94.4 MB. Free memory was 67.7 MB in the beginning and 65.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,992 INFO L168 Benchmark]: RCFGBuilder took 782.82 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 58.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,992 INFO L168 Benchmark]: TraceAbstraction took 628.02 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 60.5 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:45,993 INFO L168 Benchmark]: Witness Printer took 5.46 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 60.0 MB in the end (delta: 454.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:46,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.74 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 41.5 MB in the beginning and 69.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.86 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 67.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.74 ms. Allocated memory is still 94.4 MB. Free memory was 67.7 MB in the beginning and 65.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 782.82 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 58.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 628.02 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 60.5 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.46 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 60.0 MB in the end (delta: 454.3 kB). 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 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) == 0 VAL [one_fmod=1, Zero_fmod={6:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_1130a.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: 0.5s, 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, 0.1s 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 13:02:48,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:48,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:48,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:48,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:48,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:48,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:48,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:48,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:48,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:48,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:48,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:48,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:48,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:48,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:48,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:48,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:48,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:48,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:48,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:48,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:48,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:48,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:48,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:48,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:48,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:48,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:48,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:48,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:48,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:48,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:48,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:48,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:48,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:48,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:48,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:48,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:48,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:48,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:48,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:48,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:48,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:02:48,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:48,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:48,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:48,612 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:48,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:48,613 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:48,613 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:48,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:48,614 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:48,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:48,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:48,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:48,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:48,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:48,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:48,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:48,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:48,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:02:48,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:02:48,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:48,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:48,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:48,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:48,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:48,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:02:48,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:48,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:48,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:48,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:48,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:48,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:48,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:02:48,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:02:48,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:48,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:48,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:48,622 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_42466bcc-75d7-43bb-a264-f0ba07000d73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-22 13:02:49,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:49,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:49,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:49,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:49,056 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:49,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-22 13:02:49,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/84f144e2c/8e778bba001a4f2fb57ce152f563dd9c/FLAG48227e9fb [2020-11-22 13:02:49,614 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:49,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-11-22 13:02:49,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/84f144e2c/8e778bba001a4f2fb57ce152f563dd9c/FLAG48227e9fb [2020-11-22 13:02:49,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/data/84f144e2c/8e778bba001a4f2fb57ce152f563dd9c [2020-11-22 13:02:49,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:49,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:49,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:49,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:49,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:49,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:49" (1/1) ... [2020-11-22 13:02:49,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f13dfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:49, skipping insertion in model container [2020-11-22 13:02:49,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:49" (1/1) ... [2020-11-22 13:02:49,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:49,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:50,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:50,184 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:50,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:50,286 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:50,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50 WrapperNode [2020-11-22 13:02:50,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:50,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:50,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:50,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:50,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:50,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:50,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:50,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:50,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... [2020-11-22 13:02:50,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:50,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:50,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:50,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:50,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-22 13:02:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:02:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 13:02:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 13:02:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 13:02:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 13:02:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:02:53,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:53,425 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-22 13:02:53,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:53 BoogieIcfgContainer [2020-11-22 13:02:53,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:53,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:53,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:53,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:53,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:49" (1/3) ... [2020-11-22 13:02:53,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3072246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:53, skipping insertion in model container [2020-11-22 13:02:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:50" (2/3) ... [2020-11-22 13:02:53,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3072246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:53, skipping insertion in model container [2020-11-22 13:02:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:53" (3/3) ... [2020-11-22 13:02:53,445 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-22 13:02:53,461 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:53,465 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:02:53,475 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:02:53,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:53,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:53,505 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:53,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:53,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:53,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:53,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:53,506 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-22 13:02:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:02:53,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:53,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:53,528 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:53,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-22 13:02:53,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:53,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312972231] [2020-11-22 13:02:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:53,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:02:53,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:53,958 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 13:02:53,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:53,962 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 13:02:53,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312972231] [2020-11-22 13:02:53,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:53,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:02:53,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508743816] [2020-11-22 13:02:53,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:02:53,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:53,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:02:53,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:53,984 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-22 13:02:54,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:54,005 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-22 13:02:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:02:54,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-22 13:02:54,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:54,015 INFO L225 Difference]: With dead ends: 94 [2020-11-22 13:02:54,015 INFO L226 Difference]: Without dead ends: 44 [2020-11-22 13:02:54,018 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 13:02:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-22 13:02:54,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-22 13:02:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-22 13:02:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-22 13:02:54,052 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-22 13:02:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:54,053 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-22 13:02:54,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:02:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-22 13:02:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:02:54,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:54,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:54,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:02:54,263 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-22 13:02:54,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:54,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284458096] [2020-11-22 13:02:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:54,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-22 13:02:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:54,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:02:54,869 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 13:02:54,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:54,954 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:02:55,149 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:02:55,352 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-22 13:02:55,358 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:02:55,435 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 13:02:55,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284458096] [2020-11-22 13:02:55,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:55,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-22 13:02:55,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870532905] [2020-11-22 13:02:55,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 13:02:55,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:55,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 13:02:55,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-22 13:02:55,440 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2020-11-22 13:02:55,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:55,862 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2020-11-22 13:02:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:02:55,863 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-22 13:02:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:55,865 INFO L225 Difference]: With dead ends: 53 [2020-11-22 13:02:55,867 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 13:02:55,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:02:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 13:02:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 13:02:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 13:02:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-22 13:02:55,877 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2020-11-22 13:02:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:55,878 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-22 13:02:55,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 13:02:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-22 13:02:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 13:02:55,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:55,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:56,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:02:56,085 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:56,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2020-11-22 13:02:56,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:56,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91351614] [2020-11-22 13:02:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:56,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:02:56,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:56,261 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 13:02:56,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:56,317 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 13:02:56,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91351614] [2020-11-22 13:02:56,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:56,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-22 13:02:56,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157610022] [2020-11-22 13:02:56,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 13:02:56,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:56,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 13:02:56,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:02:56,319 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-11-22 13:02:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:56,433 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-22 13:02:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:02:56,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-22 13:02:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:56,434 INFO L225 Difference]: With dead ends: 22 [2020-11-22 13:02:56,434 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 13:02:56,435 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 13:02:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 13:02:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 13:02:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 13:02:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-22 13:02:56,439 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-22 13:02:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:56,439 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-22 13:02:56,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 13:02:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-22 13:02:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:02:56,440 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:56,440 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 13:02:56,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:02:56,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:56,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:56,652 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2020-11-22 13:02:56,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:56,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935590984] [2020-11-22 13:02:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/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 13:02:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:56,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-22 13:02:56,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:56,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:02:56,901 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 13:02:56,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:57,177 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 13:02:57,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935590984] [2020-11-22 13:02:57,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:57,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-11-22 13:02:57,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759101292] [2020-11-22 13:02:57,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-22 13:02:57,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:57,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-22 13:02:57,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:02:57,179 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2020-11-22 13:02:57,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:57,478 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-22 13:02:57,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:02:57,479 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2020-11-22 13:02:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:57,480 INFO L225 Difference]: With dead ends: 19 [2020-11-22 13:02:57,480 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:02:57,480 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 13:02:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:02:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:02:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:02:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:02:57,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-22 13:02:57,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:57,487 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:02:57,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-22 13:02:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:02:57,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:57,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:02:57,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:02:57,984 INFO L274 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-11-22 13:02:57,984 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-11-22 13:02:57,984 INFO L274 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,984 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-11-22 13:02:57,984 INFO L270 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (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))) (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)) (_ +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_main_#t~short24| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2020-11-22 13:02:57,984 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L270 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-11-22 13:02:57,985 INFO L274 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L270 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (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)) (_ +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_main_#t~short24|) [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-11-22 13:02:57,986 INFO L274 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L270 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +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)) (_ +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))))) [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L131(lines 131 140) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L270 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:57,987 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L270 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-11-22 13:02:57,988 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-11-22 13:02:57,988 INFO L274 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-11-22 13:02:57,989 INFO L277 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-11-22 13:02:57,989 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-11-22 13:02:57,989 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-11-22 13:02:57,999 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 13:02:58,001 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 13:02:58,001 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 13:02:58,001 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 13:02:58,001 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 13:02:58,002 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 13:02:58,002 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 13:02:58,002 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 13:02:58,003 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 13:02:58,011 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 13:02:58,011 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 13:02:58,011 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 13:02:58,011 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 13:02:58,011 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 13:02:58,012 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 13:02:58,012 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 13:02:58,012 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 13:02:58,013 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 13:02:58,015 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 13:02:58,015 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 13:02:58,015 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 13:02:58,016 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 13:02:58,016 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 13:02:58,016 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 13:02:58,016 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 13:02:58,016 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 13:02:58,017 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 13:02:58,018 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 13:02:58,018 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 13:02:58,018 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 13:02:58,018 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 13:02:58,018 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 13:02:58,019 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 13:02:58,021 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 13:02:58,021 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 13:02:58,022 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 13:02:58,031 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 13:02:58,031 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 13:02:58,032 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 13:02:58,032 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 13:02:58,032 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 13:02:58,032 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 13:02:58,032 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 13:02:58,033 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 13:02:58,033 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 13:02:58,035 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 13:02:58,035 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 13:02:58,035 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 13:02:58,035 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 13:02:58,036 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 13:02:58,036 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 13:02:58,036 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 13:02:58,036 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 13:02:58,036 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 13:02:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:58 BoogieIcfgContainer [2020-11-22 13:02:58,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:58,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:58,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:58,040 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:58,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:53" (3/4) ... [2020-11-22 13:02:58,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:58,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-22 13:02:58,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-22 13:02:58,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:58,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:58,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_42466bcc-75d7-43bb-a264-f0ba07000d73/bin/utaipan/witness.graphml [2020-11-22 13:02:58,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:58,108 INFO L168 Benchmark]: Toolchain (without parser) took 8146.38 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 25.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,108 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:58,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.21 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 39.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.33 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,110 INFO L168 Benchmark]: Boogie Preprocessor took 42.08 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 34.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,115 INFO L168 Benchmark]: RCFGBuilder took 3036.59 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.8 MB in the beginning and 35.0 MB in the end (delta: -246.4 kB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,116 INFO L168 Benchmark]: TraceAbstraction took 4611.05 ms. Allocated memory is still 69.2 MB. Free memory was 34.7 MB in the beginning and 28.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,116 INFO L168 Benchmark]: Witness Printer took 66.70 ms. Allocated memory is still 69.2 MB. Free memory was 28.1 MB in the beginning and 25.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:58,118 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 56.6 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.21 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 39.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.33 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.08 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 34.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3036.59 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.8 MB in the beginning and 35.0 MB in the end (delta: -246.4 kB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4611.05 ms. Allocated memory is still 69.2 MB. Free memory was 34.7 MB in the beginning and 28.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 66.70 ms. Allocated memory is still 69.2 MB. Free memory was 28.1 MB in the beginning and 25.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 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 13:02:58,136 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 13:02:58,137 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 13:02:58,137 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 13:02:58,137 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 13:02:58,137 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 13:02:58,137 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 13:02:58,137 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 13:02:58,138 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 13:02:58,138 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 13:02:58,140 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 13:02:58,140 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 13:02:58,140 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 13:02:58,140 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 13:02:58,141 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 13:02:58,141 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 13:02:58,149 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 13:02:58,150 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 13:02:58,150 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: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~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]) == ~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())) - InvariantResult [Line: 109]: Loop Invariant [2020-11-22 13:02:58,150 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 13:02:58,151 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 13:02:58,151 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 13:02:58,151 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 13:02:58,151 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 13:02:58,152 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 13:02:58,152 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 13:02:58,152 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 13:02:58,152 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 13:02:58,154 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 13:02:58,154 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 13:02:58,154 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 13:02:58,154 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 13:02:58,154 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 13:02:58,157 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 13:02:58,157 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 13:02:58,157 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 13:02:58,157 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: (((((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\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]) == ~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()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32 - 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 13:02:58,161 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 13:02:58,161 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 13:02:58,161 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 13:02:58,161 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 13:02:58,162 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 13:02:58,162 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 13:02:58,162 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 13:02:58,163 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 13:02:58,163 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 13:02:58,164 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 13:02:58,165 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 13:02:58,165 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 13:02:58,165 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 13:02:58,165 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 13:02:58,170 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 13:02:58,170 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 13:02:58,171 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 13:02:58,171 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: (((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\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]) == ~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()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 170 SDslu, 108 SDs, 0 SdLazy, 70 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.5s 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, 200 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 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...