./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8b47ecdb704e16d352286b75129bb9ac82f6df5 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8b47ecdb704e16d352286b75129bb9ac82f6df5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:55:33,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:55:33,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:55:33,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:55:33,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:55:33,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:55:33,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:55:33,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:55:33,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:55:33,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:55:33,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:55:33,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:55:33,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:55:33,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:55:33,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:55:33,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:55:33,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:55:33,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:55:33,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:55:33,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:55:33,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:55:33,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:55:33,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:55:33,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:55:33,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:55:33,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:55:33,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:55:33,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:55:33,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:55:33,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:55:33,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:55:33,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:55:33,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:55:33,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:55:33,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:55:33,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:55:33,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:55:33,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:55:33,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:55:33,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:55:33,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:55:33,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:55:34,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:55:34,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:55:34,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:55:34,016 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:55:34,016 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:55:34,016 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:55:34,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:55:34,016 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:55:34,017 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:55:34,017 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:55:34,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:55:34,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:55:34,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:55:34,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:55:34,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:55:34,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:55:34,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:55:34,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:55:34,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:55:34,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:55:34,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:55:34,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:55:34,021 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b47ecdb704e16d352286b75129bb9ac82f6df5 [2020-12-09 16:55:34,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:55:34,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:55:34,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:55:34,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:55:34,218 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:55:34,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-12-09 16:55:34,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/ef8ebfef8/d3b49b9957844e5789db42a3b241fcb5/FLAG093aee050 [2020-12-09 16:55:34,619 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:55:34,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-12-09 16:55:34,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/ef8ebfef8/d3b49b9957844e5789db42a3b241fcb5/FLAG093aee050 [2020-12-09 16:55:34,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/ef8ebfef8/d3b49b9957844e5789db42a3b241fcb5 [2020-12-09 16:55:34,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:55:34,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:55:34,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:55:34,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:55:34,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:55:34,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b8028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34, skipping insertion in model container [2020-12-09 16:55:34,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:55:34,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:55:34,798 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2020-12-09 16:55:34,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:55:34,806 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:55:34,829 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2020-12-09 16:55:34,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:55:34,840 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:55:34,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34 WrapperNode [2020-12-09 16:55:34,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:55:34,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:55:34,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:55:34,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:55:34,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:55:34,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:55:34,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:55:34,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:55:34,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... [2020-12-09 16:55:34,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:55:34,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:55:34,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:55:34,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:55:34,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:55:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 16:55:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:55:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 16:55:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 16:55:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 16:55:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:55:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:55:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 16:55:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 16:55:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:55:35,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:55:35,319 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-09 16:55:35,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:35 BoogieIcfgContainer [2020-12-09 16:55:35,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:55:35,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:55:35,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:55:35,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:55:35,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:55:34" (1/3) ... [2020-12-09 16:55:35,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d8a240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:35, skipping insertion in model container [2020-12-09 16:55:35,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:34" (2/3) ... [2020-12-09 16:55:35,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d8a240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:35, skipping insertion in model container [2020-12-09 16:55:35,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:35" (3/3) ... [2020-12-09 16:55:35,326 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2020-12-09 16:55:35,336 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:55:35,339 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:55:35,350 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:55:35,373 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:55:35,374 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:55:35,374 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:55:35,374 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:55:35,374 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:55:35,374 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:55:35,374 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:55:35,374 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:55:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-09 16:55:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:55:35,388 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:55:35,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:55:35,388 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:55:35,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:55:35,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1340340375, now seen corresponding path program 1 times [2020-12-09 16:55:35,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:55:35,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756401456] [2020-12-09 16:55:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:55:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:55:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:55:35,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756401456] [2020-12-09 16:55:35,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:55:35,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:55:35,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988408834] [2020-12-09 16:55:35,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:55:35,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:55:35,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:55:35,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:55:35,532 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-12-09 16:55:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:55:35,548 INFO L93 Difference]: Finished difference Result 67 states and 111 transitions. [2020-12-09 16:55:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:55:35,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 16:55:35,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:55:35,557 INFO L225 Difference]: With dead ends: 67 [2020-12-09 16:55:35,557 INFO L226 Difference]: Without dead ends: 32 [2020-12-09 16:55:35,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:55:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-09 16:55:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-09 16:55:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 16:55:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2020-12-09 16:55:35,585 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 44 transitions. Word has length 8 [2020-12-09 16:55:35,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:55:35,586 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 44 transitions. [2020-12-09 16:55:35,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:55:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2020-12-09 16:55:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 16:55:35,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:55:35,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:55:35,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 16:55:35,587 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:55:35,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:55:35,587 INFO L82 PathProgramCache]: Analyzing trace with hash 932107514, now seen corresponding path program 1 times [2020-12-09 16:55:35,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:55:35,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010417382] [2020-12-09 16:55:35,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:55:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:55:35,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:55:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:55:35,697 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:55:35,719 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 16:55:35,720 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:55:35,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 16:55:35,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:55:35 BoogieIcfgContainer [2020-12-09 16:55:35,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:55:35,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:55:35,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:55:35,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:55:35,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:35" (3/4) ... [2020-12-09 16:55:35,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 16:55:35,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:55:35,749 INFO L168 Benchmark]: Toolchain (without parser) took 1110.96 ms. Allocated memory is still 92.3 MB. Free memory was 52.6 MB in the beginning and 54.9 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:55:35,750 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 69.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:55:35,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.25 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 66.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:35,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:35,752 INFO L168 Benchmark]: Boogie Preprocessor took 23.60 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 63.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:35,752 INFO L168 Benchmark]: RCFGBuilder took 423.12 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 48.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:35,753 INFO L168 Benchmark]: TraceAbstraction took 422.56 ms. Allocated memory is still 92.3 MB. Free memory was 47.9 MB in the beginning and 55.4 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:55:35,753 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 54.9 MB in the end (delta: 517.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:55:35,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 69.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 202.25 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 66.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.60 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 63.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 423.12 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 48.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 422.56 ms. Allocated memory is still 92.3 MB. Free memory was 47.9 MB in the beginning and 55.4 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.25 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 54.9 MB in the end (delta: 517.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L119] float x = -1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L121] float res = fmod_float(x, y); [L110] return x != x; [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 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=34occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:55:37,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:55:37,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:55:37,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:55:37,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:55:37,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:55:37,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:55:37,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:55:37,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:55:37,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:55:37,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:55:37,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:55:37,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:55:37,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:55:37,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:55:37,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:55:37,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:55:37,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:55:37,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:55:37,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:55:37,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:55:37,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:55:37,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:55:37,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:55:37,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:55:37,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:55:37,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:55:37,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:55:37,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:55:37,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:55:37,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:55:37,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:55:37,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:55:37,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:55:37,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:55:37,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:55:37,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:55:37,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:55:37,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:55:37,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:55:37,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:55:37,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:55:37,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:55:37,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:55:37,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:55:37,337 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:55:37,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:55:37,337 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:55:37,337 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:55:37,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:55:37,338 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:55:37,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:55:37,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:55:37,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:55:37,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:55:37,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:55:37,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:55:37,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:55:37,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:55:37,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:55:37,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:55:37,342 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b47ecdb704e16d352286b75129bb9ac82f6df5 [2020-12-09 16:55:37,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:55:37,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:55:37,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:55:37,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:55:37,573 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:55:37,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-12-09 16:55:37,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/894a6f51e/560abbeb38f84ce8bdcbb9a51809d0d9/FLAGd9ce4e8ca [2020-12-09 16:55:38,092 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:55:38,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-12-09 16:55:38,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/894a6f51e/560abbeb38f84ce8bdcbb9a51809d0d9/FLAGd9ce4e8ca [2020-12-09 16:55:38,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/data/894a6f51e/560abbeb38f84ce8bdcbb9a51809d0d9 [2020-12-09 16:55:38,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:55:38,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:55:38,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:55:38,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:55:38,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:55:38,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9f0f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38, skipping insertion in model container [2020-12-09 16:55:38,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:55:38,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:55:38,253 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2020-12-09 16:55:38,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:55:38,264 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:55:38,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2020-12-09 16:55:38,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:55:38,325 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:55:38,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38 WrapperNode [2020-12-09 16:55:38,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:55:38,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:55:38,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:55:38,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:55:38,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:55:38,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:55:38,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:55:38,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:55:38,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... [2020-12-09 16:55:38,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:55:38,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:55:38,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:55:38,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:55:38,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:55:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 16:55:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:55:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:55:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 16:55:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:55:41,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:55:41,266 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-09 16:55:41,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:41 BoogieIcfgContainer [2020-12-09 16:55:41,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:55:41,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:55:41,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:55:41,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:55:41,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:55:38" (1/3) ... [2020-12-09 16:55:41,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284c09bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:41, skipping insertion in model container [2020-12-09 16:55:41,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:38" (2/3) ... [2020-12-09 16:55:41,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284c09bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:41, skipping insertion in model container [2020-12-09 16:55:41,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:41" (3/3) ... [2020-12-09 16:55:41,273 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2020-12-09 16:55:41,282 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:55:41,284 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:55:41,291 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:55:41,308 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:55:41,308 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:55:41,308 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:55:41,308 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:55:41,308 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:55:41,308 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:55:41,309 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:55:41,309 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:55:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-09 16:55:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 16:55:41,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:55:41,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:55:41,321 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:55:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:55:41,325 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2020-12-09 16:55:41,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:55:41,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681192851] [2020-12-09 16:55:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 16:55:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:55:41,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 16:55:41,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:55:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:55:41,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:55:41,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681192851] [2020-12-09 16:55:41,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:55:41,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:55:41,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215283615] [2020-12-09 16:55:41,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:55:41,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:55:41,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:55:41,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:55:41,606 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-09 16:55:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:55:41,620 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2020-12-09 16:55:41,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:55:41,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 16:55:41,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:55:41,627 INFO L225 Difference]: With dead ends: 82 [2020-12-09 16:55:41,627 INFO L226 Difference]: Without dead ends: 39 [2020-12-09 16:55:41,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:55:41,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-09 16:55:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-09 16:55:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 16:55:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-12-09 16:55:41,651 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2020-12-09 16:55:41,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:55:41,652 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-12-09 16:55:41,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:55:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-12-09 16:55:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 16:55:41,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:55:41,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:55:41,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:55:41,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:55:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:55:41,857 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2020-12-09 16:55:41,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:55:41,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877533928] [2020-12-09 16:55:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 16:55:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:55:42,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 16:55:42,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:55:43,268 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 16:55:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:55:44,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:55:44,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877533928] [2020-12-09 16:55:44,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:55:44,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 16:55:44,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613682611] [2020-12-09 16:55:44,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 16:55:44,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:55:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 16:55:44,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:55:44,905 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 7 states. [2020-12-09 16:55:49,110 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 16:55:51,365 WARN L197 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 16:55:53,044 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 25 [2020-12-09 16:55:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:55:54,689 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2020-12-09 16:55:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 16:55:54,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-12-09 16:55:54,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:55:54,691 INFO L225 Difference]: With dead ends: 49 [2020-12-09 16:55:54,691 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 16:55:54,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:55:54,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 16:55:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2020-12-09 16:55:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 16:55:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2020-12-09 16:55:54,699 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2020-12-09 16:55:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:55:54,699 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2020-12-09 16:55:54,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 16:55:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2020-12-09 16:55:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 16:55:54,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:55:54,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:55:54,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:55:54,903 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:55:54,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:55:54,906 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2020-12-09 16:55:54,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:55:54,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560002918] [2020-12-09 16:55:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 16:55:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:55:55,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:55:55,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:55:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:55:55,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:55:55,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560002918] [2020-12-09 16:55:55,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:55:55,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:55:55,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625477791] [2020-12-09 16:55:55,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:55:55,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:55:55,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:55:55,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:55:55,190 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 5 states. [2020-12-09 16:55:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:55:55,317 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-12-09 16:55:55,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 16:55:55,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-09 16:55:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:55:55,318 INFO L225 Difference]: With dead ends: 39 [2020-12-09 16:55:55,318 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:55:55,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:55:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:55:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:55:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:55:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:55:55,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 16:55:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:55:55,319 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:55:55,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:55:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:55:55,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:55:55,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:55:55,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:55:56,777 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 16:55:57,882 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 16:55:57,933 INFO L262 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-12-09 16:55:57,933 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-12-09 16:55:57,933 INFO L262 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,933 INFO L262 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L258 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L258 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-12-09 16:55:57,934 INFO L262 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L265 CegarLoopResult]: At program point L129(lines 112 130) the Hoare annotation is: true [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L262 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,935 INFO L258 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L258 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L258 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-12-09 16:55:57,936 INFO L258 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-12-09 16:55:57,936 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L124(lines 124 127) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-12-09 16:55:57,937 INFO L258 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-12-09 16:55:57,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:57,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:57,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:57,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:55:57 BoogieIcfgContainer [2020-12-09 16:55:57,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:55:57,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:55:57,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:55:57,958 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:55:57,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:41" (3/4) ... [2020-12-09 16:55:57,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:55:57,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 16:55:57,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 16:55:57,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:55:57,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:55:57,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-12-09 16:55:57,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_868b1117-a6c3-4569-9584-eec646041427/bin/utaipan/witness.graphml [2020-12-09 16:55:57,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:55:57,993 INFO L168 Benchmark]: Toolchain (without parser) took 19879.64 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.9 MB in the beginning and 44.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,993 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 81.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:55:57,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.65 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 56.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 73.4 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,994 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 53.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,995 INFO L168 Benchmark]: RCFGBuilder took 2871.05 ms. Allocated memory is still 73.4 MB. Free memory was 52.8 MB in the beginning and 45.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,995 INFO L168 Benchmark]: TraceAbstraction took 16689.61 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 46.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,995 INFO L168 Benchmark]: Witness Printer took 34.19 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 44.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:55:57,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 81.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 212.65 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 56.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 73.4 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 53.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2871.05 ms. Allocated memory is still 73.4 MB. Free memory was 52.8 MB in the beginning and 45.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16689.61 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 46.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 34.19 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 44.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-12-09 16:55:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2020-12-09 16:55:58,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 16:55:58,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 16:55:58,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 109 SDtfs, 109 SDslu, 149 SDs, 0 SdLazy, 42 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 100 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 7 QuantifiedInterpolants, 2572 SizeOfPredicates, 17 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...