./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:17:20,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:20,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:20,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:20,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:20,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:20,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:20,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:20,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:20,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:20,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:20,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:20,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:20,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:20,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:20,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:20,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:20,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:20,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:20,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:20,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:20,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:20,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:20,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:20,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:20,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:20,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:20,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:20,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:20,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:20,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:20,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:20,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:20,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:20,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:20,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:20,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:20,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:20,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:20,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:20,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:20,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:17:20,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:20,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:20,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:20,739 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:20,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:20,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:20,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:17:20,740 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:20,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:20,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:17:20,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:17:20,741 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:20,741 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:17:20,741 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:17:20,741 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:17:20,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:20,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:20,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:17:20,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:20,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:20,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:20,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:20,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:20,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:20,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:20,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:20,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:20,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:20,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:20,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:20,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:20,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:20,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:20,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:17:20,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:17:20,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:20,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:20,747 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-26 02:17:20,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:20,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:20,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:20,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:20,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:20,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-26 02:17:20,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/ecfdfb289/3275d4417cce400eaba4965b35cb0e8a/FLAGf3a809a8a [2019-11-26 02:17:21,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:21,353 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-26 02:17:21,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/ecfdfb289/3275d4417cce400eaba4965b35cb0e8a/FLAGf3a809a8a [2019-11-26 02:17:21,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/ecfdfb289/3275d4417cce400eaba4965b35cb0e8a [2019-11-26 02:17:21,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:21,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:21,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:21,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:21,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:21,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:21" (1/1) ... [2019-11-26 02:17:21,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee7c7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:21, skipping insertion in model container [2019-11-26 02:17:21,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:21" (1/1) ... [2019-11-26 02:17:21,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:21,829 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:22,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:22,110 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:17:22,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:22,185 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:17:22,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22 WrapperNode [2019-11-26 02:17:22,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:22,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:22,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:17:22,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:17:22,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:22,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:17:22,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:17:22,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:17:22,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... [2019-11-26 02:17:22,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:17:22,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:17:22,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:17:22,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:17:22,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:17:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:17:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:17:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:17:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:17:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:17:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:17:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:17:23,390 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:17:23,390 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-26 02:17:23,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:23 BoogieIcfgContainer [2019-11-26 02:17:23,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:17:23,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:17:23,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:17:23,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:17:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:17:21" (1/3) ... [2019-11-26 02:17:23,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a5534a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:23, skipping insertion in model container [2019-11-26 02:17:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:22" (2/3) ... [2019-11-26 02:17:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a5534a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:23, skipping insertion in model container [2019-11-26 02:17:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:23" (3/3) ... [2019-11-26 02:17:23,397 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-26 02:17:23,405 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:17:23,411 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:17:23,418 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:17:23,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:17:23,440 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:17:23,440 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:17:23,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:17:23,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:17:23,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:17:23,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:17:23,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:17:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-11-26 02:17:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:17:23,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:23,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:23,460 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:23,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1593506622, now seen corresponding path program 1 times [2019-11-26 02:17:23,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:17:23,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877363809] [2019-11-26 02:17:23,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:17:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:23,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877363809] [2019-11-26 02:17:23,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:23,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:17:23,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391658213] [2019-11-26 02:17:23,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:17:23,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:17:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:17:23,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:23,604 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-11-26 02:17:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:23,624 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2019-11-26 02:17:23,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:17:23,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-26 02:17:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:23,634 INFO L225 Difference]: With dead ends: 89 [2019-11-26 02:17:23,634 INFO L226 Difference]: Without dead ends: 43 [2019-11-26 02:17:23,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-26 02:17:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-26 02:17:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-26 02:17:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2019-11-26 02:17:23,669 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2019-11-26 02:17:23,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:23,669 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2019-11-26 02:17:23,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:17:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2019-11-26 02:17:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:17:23,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:23,670 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:23,671 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:23,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:23,671 INFO L82 PathProgramCache]: Analyzing trace with hash -905856845, now seen corresponding path program 1 times [2019-11-26 02:17:23,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:17:23,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019673648] [2019-11-26 02:17:23,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:17:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:17:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:17:23,740 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:17:23,740 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:17:23,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:17:23 BoogieIcfgContainer [2019-11-26 02:17:23,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:17:23,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:17:23,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:17:23,772 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:17:23,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:23" (3/4) ... [2019-11-26 02:17:23,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:17:23,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:17:23,778 INFO L168 Benchmark]: Toolchain (without parser) took 2010.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -66.4 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:23,778 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:23,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:23,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:23,780 INFO L168 Benchmark]: Boogie Preprocessor took 92.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:23,781 INFO L168 Benchmark]: RCFGBuilder took 1039.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:23,781 INFO L168 Benchmark]: TraceAbstraction took 379.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:23,782 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:23,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1039.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 379.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L235] double x = 0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:17:25,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:25,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:25,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:25,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:25,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:25,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:25,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:25,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:25,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:25,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:25,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:25,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:25,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:25,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:25,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:25,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:25,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:25,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:25,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:25,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:25,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:25,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:25,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:25,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:25,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:25,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:25,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:25,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:25,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:25,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:25,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:25,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:25,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:25,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:25,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:25,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:25,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:25,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:25,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:25,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:25,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:17:25,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:25,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:25,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:25,647 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:25,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:25,647 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:25,647 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:25,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:25,648 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:25,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:25,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:25,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:25,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:25,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:25,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:25,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:25,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:17:25,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:17:25,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:17:25,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:25,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:25,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:17:25,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:25,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:25,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:17:25,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:25,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:25,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:25,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:25,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:25,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:25,653 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:17:25,653 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:17:25,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:25,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:25,654 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-26 02:17:25,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:25,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:25,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:25,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:25,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:25,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-26 02:17:26,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/afa4c0291/06e0acebcc2147e685cf1fff0a7df563/FLAG23c4c6a5d [2019-11-26 02:17:26,419 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:26,420 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-26 02:17:26,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/afa4c0291/06e0acebcc2147e685cf1fff0a7df563/FLAG23c4c6a5d [2019-11-26 02:17:26,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/data/afa4c0291/06e0acebcc2147e685cf1fff0a7df563 [2019-11-26 02:17:26,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:26,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:26,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:26,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:26,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:26,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4bcaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26, skipping insertion in model container [2019-11-26 02:17:26,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:26,481 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:26,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:26,682 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:17:26,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:26,856 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:17:26,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26 WrapperNode [2019-11-26 02:17:26,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:26,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:26,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:17:26,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:17:26,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:26,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:17:26,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:17:26,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:17:26,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... [2019-11-26 02:17:26,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:17:26,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:17:26,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:17:26,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:17:26,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:17:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:17:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:17:46,270 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:17:46,271 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-26 02:17:46,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:46 BoogieIcfgContainer [2019-11-26 02:17:46,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:17:46,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:17:46,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:17:46,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:17:46,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:17:26" (1/3) ... [2019-11-26 02:17:46,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348cf3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:46, skipping insertion in model container [2019-11-26 02:17:46,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:26" (2/3) ... [2019-11-26 02:17:46,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348cf3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:46, skipping insertion in model container [2019-11-26 02:17:46,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:46" (3/3) ... [2019-11-26 02:17:46,279 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-26 02:17:46,288 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:17:46,294 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:17:46,302 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:17:46,322 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:17:46,322 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:17:46,323 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:17:46,323 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:17:46,323 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:17:46,323 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:17:46,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:17:46,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:17:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-26 02:17:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:17:46,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:46,341 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:46,342 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:46,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-26 02:17:46,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:46,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930698911] [2019-11-26 02:17:46,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 02:17:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:47,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:17:47,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:47,019 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:47,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930698911] [2019-11-26 02:17:47,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:47,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:17:47,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585430118] [2019-11-26 02:17:47,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:17:47,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:47,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:17:47,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:47,040 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-26 02:17:47,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:47,063 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-26 02:17:47,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:17:47,064 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-26 02:17:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:47,075 INFO L225 Difference]: With dead ends: 140 [2019-11-26 02:17:47,075 INFO L226 Difference]: Without dead ends: 68 [2019-11-26 02:17:47,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:47,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-26 02:17:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-26 02:17:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-26 02:17:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-26 02:17:47,117 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-26 02:17:47,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:47,118 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-26 02:17:47,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:17:47,118 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-26 02:17:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:17:47,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:47,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:47,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:17:47,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:47,329 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-26 02:17:47,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:47,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354012349] [2019-11-26 02:17:47,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 02:17:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:51,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:17:51,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:51,440 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:51,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354012349] [2019-11-26 02:17:51,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:51,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:17:51,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209247301] [2019-11-26 02:17:51,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:17:51,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:51,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:17:51,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:17:51,508 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-11-26 02:17:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:53,083 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-11-26 02:17:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:17:53,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-26 02:17:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:53,090 INFO L225 Difference]: With dead ends: 124 [2019-11-26 02:17:53,090 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:17:53,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:17:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:17:53,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:17:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:17:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-11-26 02:17:53,112 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-11-26 02:17:53,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:53,112 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-11-26 02:17:53,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:17:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-11-26 02:17:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:17:53,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:53,113 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:53,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:17:53,314 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:53,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:53,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-11-26 02:17:53,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:53,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664870221] [2019-11-26 02:17:53,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 02:17:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:53,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 02:17:53,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:53,596 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:53,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:53,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664870221] [2019-11-26 02:17:53,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:53,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:17:53,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218940182] [2019-11-26 02:17:53,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:17:53,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:53,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:17:53,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:17:53,663 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-11-26 02:17:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:53,993 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-11-26 02:17:53,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:17:53,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-26 02:17:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:53,998 INFO L225 Difference]: With dead ends: 69 [2019-11-26 02:17:54,000 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:17:54,001 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:17:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:17:54,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:17:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:17:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-11-26 02:17:54,020 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-11-26 02:17:54,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:54,021 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-11-26 02:17:54,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:17:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-11-26 02:17:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:17:54,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:54,023 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:54,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:17:54,223 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:54,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:54,224 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-11-26 02:17:54,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:54,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803832940] [2019-11-26 02:17:54,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:17:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:18:00,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:18:00,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:18:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:18:00,147 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:18:00,888 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-26 02:18:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:18:01,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803832940] [2019-11-26 02:18:01,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:18:01,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-26 02:18:01,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353568833] [2019-11-26 02:18:01,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:18:01,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:18:01,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:18:01,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:18:01,111 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-11-26 02:18:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:18:01,242 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-11-26 02:18:01,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:18:01,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-26 02:18:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:18:01,244 INFO L225 Difference]: With dead ends: 65 [2019-11-26 02:18:01,244 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:18:01,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:18:01,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:18:01,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:18:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:18:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:18:01,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-26 02:18:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:18:01,246 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:18:01,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:18:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:18:01,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:18:01,456 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:18:01,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:18:01,679 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-11-26 02:18:01,679 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-11-26 02:18:01,679 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:18:01,679 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:18:01,679 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:18:01,680 INFO L444 ceAbstractionStarter]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-11-26 02:18:01,680 INFO L440 ceAbstractionStarter]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-11-26 02:18:01,680 INFO L444 ceAbstractionStarter]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-11-26 02:18:01,680 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-26 02:18:01,680 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-11-26 02:18:01,680 INFO L444 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-11-26 02:18:01,681 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-11-26 02:18:01,682 INFO L440 ceAbstractionStarter]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-11-26 02:18:01,682 INFO L440 ceAbstractionStarter]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-11-26 02:18:01,682 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-11-26 02:18:01,682 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-11-26 02:18:01,682 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-11-26 02:18:01,682 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-11-26 02:18:01,682 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:18:01,683 INFO L444 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-26 02:18:01,683 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-11-26 02:18:01,683 INFO L444 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-11-26 02:18:01,683 INFO L440 ceAbstractionStarter]: At program point L224(lines 158 225) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)))) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53))) [2019-11-26 02:18:01,683 INFO L440 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-11-26 02:18:01,683 INFO L444 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-11-26 02:18:01,684 INFO L444 ceAbstractionStarter]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-11-26 02:18:01,684 INFO L440 ceAbstractionStarter]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-11-26 02:18:01,684 INFO L444 ceAbstractionStarter]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-11-26 02:18:01,684 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:18:01,684 INFO L444 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-26 02:18:01,684 INFO L440 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-26 02:18:01,685 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-26 02:18:01,685 INFO L444 ceAbstractionStarter]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-11-26 02:18:01,685 INFO L440 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-11-26 02:18:01,685 INFO L447 ceAbstractionStarter]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-11-26 02:18:01,685 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-11-26 02:18:01,685 INFO L444 ceAbstractionStarter]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-11-26 02:18:01,685 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L440 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-11-26 02:18:01,686 INFO L444 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L440 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-11-26 02:18:01,687 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-11-26 02:18:01,688 INFO L444 ceAbstractionStarter]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-11-26 02:18:01,688 INFO L444 ceAbstractionStarter]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-11-26 02:18:01,690 INFO L444 ceAbstractionStarter]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-11-26 02:18:01,691 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-11-26 02:18:01,691 INFO L440 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-11-26 02:18:01,691 INFO L444 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-11-26 02:18:01,691 INFO L444 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-11-26 02:18:01,691 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-11-26 02:18:01,692 INFO L440 ceAbstractionStarter]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-11-26 02:18:01,692 INFO L444 ceAbstractionStarter]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-11-26 02:18:01,692 INFO L444 ceAbstractionStarter]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-11-26 02:18:01,692 INFO L444 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-26 02:18:01,692 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-26 02:18:01,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:18:01,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:18:01,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:18:01 BoogieIcfgContainer [2019-11-26 02:18:01,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:18:01,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:18:01,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:18:01,728 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:18:01,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:46" (3/4) ... [2019-11-26 02:18:01,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:18:01,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-26 02:18:01,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:18:01,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:18:01,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-11-26 02:18:01,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_66e97964-eb7e-4c25-b97c-82313280bb97/bin/utaipan/witness.graphml [2019-11-26 02:18:01,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:18:01,840 INFO L168 Benchmark]: Toolchain (without parser) took 35398.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.8 MB in the beginning and 889.1 MB in the end (delta: 72.7 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,841 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:18:01,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,842 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:18:01,842 INFO L168 Benchmark]: RCFGBuilder took 19308.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,843 INFO L168 Benchmark]: TraceAbstraction took 15454.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 895.9 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,843 INFO L168 Benchmark]: Witness Printer took 112.09 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 889.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:18:01,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 19308.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15454.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 895.9 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. * Witness Printer took 112.09 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 889.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-26 02:18:01,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:18:01,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-26 02:18:01,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-26 02:18:01,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~Pluszero~LONGDOUBLE() == x && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 158]: Loop Invariant [2019-11-26 02:18:01,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-26 02:18:01,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 15.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8399 SizeOfPredicates, 17 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 22 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...