./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.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_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 51b19897c11e4f835362356179f819ee4e466264 .......................................................................................................................................................................................................................................................................................................... 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_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 51b19897c11e4f835362356179f819ee4e466264 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:01:52,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:01:52,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:01:52,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:01:52,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:01:52,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:01:52,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:01:52,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:01:52,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:01:52,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:01:52,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:01:52,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:01:52,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:01:52,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:01:52,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:01:52,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:01:52,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:01:52,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:01:52,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:01:52,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:01:52,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:01:52,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:01:52,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:01:52,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:01:52,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:01:52,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:01:52,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:01:52,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:01:52,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:01:52,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:01:52,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:01:52,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:01:52,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:01:52,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:01:52,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:01:52,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:01:52,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:01:52,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:01:52,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:01:52,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:01:52,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:01:52,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:01:52,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:01:52,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:01:52,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:01:52,117 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:01:52,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:01:52,117 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:01:52,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:01:52,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:01:52,118 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:01:52,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:01:52,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:01:52,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:01:52,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:01:52,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:01:52,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:01:52,121 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_df0356af-8d43-49b5-bb65-e504102321e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2020-12-09 08:01:52,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:01:52,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:01:52,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:01:52,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:01:52,326 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:01:52,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-12-09 08:01:52,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/d17e2b95f/cc5c0106ea8c4d648434113eb932d964/FLAG9644185c5 [2020-12-09 08:01:52,730 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:01:52,730 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-12-09 08:01:52,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/d17e2b95f/cc5c0106ea8c4d648434113eb932d964/FLAG9644185c5 [2020-12-09 08:01:52,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/d17e2b95f/cc5c0106ea8c4d648434113eb932d964 [2020-12-09 08:01:52,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:01:52,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:01:52,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:01:52,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:01:52,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:01:52,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602aa8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52, skipping insertion in model container [2020-12-09 08:01:52,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:01:52,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:01:52,896 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_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2020-12-09 08:01:52,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:01:52,905 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:01:52,922 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_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2020-12-09 08:01:52,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:01:52,932 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:01:52,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52 WrapperNode [2020-12-09 08:01:52,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:01:52,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:01:52,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:01:52,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:01:52,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:01:52,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:01:52,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:01:52,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:01:52,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... [2020-12-09 08:01:52,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:01:52,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:01:52,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:01:52,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:01:52,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 08:01:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:01:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:01:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 08:01:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 08:01:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 08:01:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:01:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:01:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 08:01:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:01:53,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:01:53,349 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 08:01:53,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:53 BoogieIcfgContainer [2020-12-09 08:01:53,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:01:53,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:01:53,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:01:53,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:01:53,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:01:52" (1/3) ... [2020-12-09 08:01:53,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd22885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:01:53, skipping insertion in model container [2020-12-09 08:01:53,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:52" (2/3) ... [2020-12-09 08:01:53,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd22885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:01:53, skipping insertion in model container [2020-12-09 08:01:53,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:53" (3/3) ... [2020-12-09 08:01:53,356 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2020-12-09 08:01:53,366 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:01:53,369 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:01:53,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:01:53,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:01:53,396 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:01:53,397 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:01:53,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:01:53,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:01:53,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:01:53,397 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:01:53,397 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:01:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-09 08:01:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 08:01:53,413 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:53,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:53,414 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:53,419 INFO L82 PathProgramCache]: Analyzing trace with hash -689913283, now seen corresponding path program 1 times [2020-12-09 08:01:53,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:01:53,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410357770] [2020-12-09 08:01:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:01:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:53,532 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 08:01:53,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410357770] [2020-12-09 08:01:53,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:53,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:01:53,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224174720] [2020-12-09 08:01:53,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:01:53,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:01:53,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:01:53,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:01:53,549 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-12-09 08:01:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:53,566 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-12-09 08:01:53,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:01:53,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 08:01:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:53,575 INFO L225 Difference]: With dead ends: 39 [2020-12-09 08:01:53,575 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 08:01:53,578 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 08:01:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 08:01:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 08:01:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 08:01:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-12-09 08:01:53,605 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 8 [2020-12-09 08:01:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:53,605 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-12-09 08:01:53,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:01:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-09 08:01:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:01:53,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:53,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:53,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:01:53,606 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:53,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1927745202, now seen corresponding path program 1 times [2020-12-09 08:01:53,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:01:53,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951844634] [2020-12-09 08:01:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:01:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:01:53,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:01:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:01:53,699 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:01:53,721 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 08:01:53,722 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 08:01:53,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 08:01:53,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:01:53 BoogieIcfgContainer [2020-12-09 08:01:53,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:01:53,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:01:53,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:01:53,746 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:01:53,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:53" (3/4) ... [2020-12-09 08:01:53,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 08:01:53,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:01:53,750 INFO L168 Benchmark]: Toolchain (without parser) took 1000.39 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 64.2 MB in the beginning and 101.1 MB in the end (delta: -36.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:01:53,751 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 102.8 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:01:53,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.86 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 78.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:01:53,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.78 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:01:53,753 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:01:53,753 INFO L168 Benchmark]: RCFGBuilder took 368.95 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 46.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:01:53,754 INFO L168 Benchmark]: TraceAbstraction took 393.24 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 46.1 MB in the beginning and 101.1 MB in the end (delta: -55.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:01:53,755 INFO L168 Benchmark]: Witness Printer took 3.39 ms. Allocated memory is still 134.2 MB. Free memory is still 101.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:01:53,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 102.8 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 182.86 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 78.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.78 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.07 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 368.95 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 46.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 393.24 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 46.1 MB in the beginning and 101.1 MB in the end (delta: -55.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.39 ms. Allocated memory is still 134.2 MB. Free memory is still 101.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 83]: 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 82, overapproximation of bitwiseAnd at line 23, overapproximation of someUnaryFLOAToperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; [L78] float x = -0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) [L45] COND TRUE !((ix) < 0x7f800000L) [L46] return x + x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L82] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000] [L82] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 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: 23 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=20occurred 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, 17 NumberOfCodeBlocks, 17 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 08:01:55,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:01:55,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:01:55,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:01:55,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:01:55,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:01:55,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:01:55,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:01:55,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:01:55,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:01:55,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:01:55,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:01:55,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:01:55,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:01:55,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:01:55,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:01:55,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:01:55,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:01:55,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:01:55,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:01:55,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:01:55,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:01:55,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:01:55,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:01:55,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:01:55,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:01:55,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:01:55,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:01:55,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:01:55,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:01:55,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:01:55,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:01:55,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:01:55,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:01:55,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:01:55,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:01:55,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:01:55,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:01:55,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:01:55,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:01:55,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:01:55,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:01:55,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:01:55,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:01:55,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:01:55,576 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:01:55,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:01:55,576 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:01:55,576 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:01:55,577 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:01:55,577 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:01:55,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:01:55,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:01:55,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:01:55,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:01:55,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:01:55,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:01:55,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:01:55,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:01:55,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:01:55,579 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:01:55,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:01:55,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:01:55,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:01:55,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:01:55,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:01:55,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:01:55,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:01:55,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:01:55,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:01:55,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:01:55,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:01:55,582 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:01:55,582 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:01:55,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:01:55,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:01:55,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:01:55,582 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_df0356af-8d43-49b5-bb65-e504102321e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2020-12-09 08:01:55,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:01:55,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:01:55,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:01:55,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:01:55,829 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:01:55,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-12-09 08:01:55,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/109f0d419/50088c31a9274898a2e24a9d8a4d1ceb/FLAG9fb326e5f [2020-12-09 08:01:56,238 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:01:56,239 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-12-09 08:01:56,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/109f0d419/50088c31a9274898a2e24a9d8a4d1ceb/FLAG9fb326e5f [2020-12-09 08:01:56,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/data/109f0d419/50088c31a9274898a2e24a9d8a4d1ceb [2020-12-09 08:01:56,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:01:56,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:01:56,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:01:56,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:01:56,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:01:56,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0a5ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56, skipping insertion in model container [2020-12-09 08:01:56,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:01:56,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:01:56,400 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_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2020-12-09 08:01:56,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:01:56,411 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:01:56,429 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_df0356af-8d43-49b5-bb65-e504102321e4/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2020-12-09 08:01:56,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:01:56,442 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:01:56,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56 WrapperNode [2020-12-09 08:01:56,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:01:56,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:01:56,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:01:56,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:01:56,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:01:56,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:01:56,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:01:56,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:01:56,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... [2020-12-09 08:01:56,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:01:56,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:01:56,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:01:56,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:01:56,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 08:01:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:01:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:01:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 08:01:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 08:01:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:01:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:01:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 08:01:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 08:01:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:01:57,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:01:57,091 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 08:01:57,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:57 BoogieIcfgContainer [2020-12-09 08:01:57,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:01:57,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:01:57,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:01:57,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:01:57,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:01:56" (1/3) ... [2020-12-09 08:01:57,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722463e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:01:57, skipping insertion in model container [2020-12-09 08:01:57,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:01:56" (2/3) ... [2020-12-09 08:01:57,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722463e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:01:57, skipping insertion in model container [2020-12-09 08:01:57,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:57" (3/3) ... [2020-12-09 08:01:57,098 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2020-12-09 08:01:57,107 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:01:57,110 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:01:57,117 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:01:57,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:01:57,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:01:57,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:01:57,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:01:57,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:01:57,134 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:01:57,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:01:57,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:01:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-09 08:01:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 08:01:57,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:57,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:57,146 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:57,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:57,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-12-09 08:01:57,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:01:57,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849337914] [2020-12-09 08:01:57,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 08:01:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:57,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 08:01:57,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:01:57,267 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 08:01:57,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:01:57,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849337914] [2020-12-09 08:01:57,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:57,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:01:57,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471314540] [2020-12-09 08:01:57,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:01:57,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:01:57,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:01:57,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:01:57,284 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-09 08:01:57,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:57,297 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-12-09 08:01:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:01:57,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 08:01:57,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:57,307 INFO L225 Difference]: With dead ends: 58 [2020-12-09 08:01:57,307 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 08:01:57,310 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 08:01:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 08:01:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 08:01:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 08:01:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-12-09 08:01:57,339 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-12-09 08:01:57,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:57,339 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-12-09 08:01:57,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:01:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-09 08:01:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 08:01:57,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:57,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:57,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:01:57,541 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-12-09 08:01:57,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:01:57,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641981116] [2020-12-09 08:01:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 08:01:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:57,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 08:01:57,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:01:57,696 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 08:01:57,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:01:57,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641981116] [2020-12-09 08:01:57,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:57,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 08:01:57,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626536648] [2020-12-09 08:01:57,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:01:57,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:01:57,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:01:57,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:01:57,700 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2020-12-09 08:01:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:57,909 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-12-09 08:01:57,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:01:57,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 08:01:57,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:57,911 INFO L225 Difference]: With dead ends: 39 [2020-12-09 08:01:57,911 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 08:01:57,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 08:01:57,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 08:01:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 08:01:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 08:01:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-12-09 08:01:57,914 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2020-12-09 08:01:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:57,915 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-12-09 08:01:57,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:01:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-12-09 08:01:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 08:01:57,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:57,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:58,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:01:58,117 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:58,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2020-12-09 08:01:58,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:01:58,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239222336] [2020-12-09 08:01:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/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 08:01:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:58,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:01:58,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:01:58,265 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 08:01:58,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:01:58,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239222336] [2020-12-09 08:01:58,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:58,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:01:58,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708943426] [2020-12-09 08:01:58,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:01:58,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:01:58,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:01:58,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:01:58,266 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2020-12-09 08:01:58,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:58,318 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-12-09 08:01:58,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 08:01:58,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-12-09 08:01:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:58,319 INFO L225 Difference]: With dead ends: 33 [2020-12-09 08:01:58,319 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 08:01:58,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:01:58,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 08:01:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 08:01:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 08:01:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-09 08:01:58,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2020-12-09 08:01:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:58,323 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-09 08:01:58,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:01:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-09 08:01:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 08:01:58,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:58,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:58,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:01:58,525 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:58,527 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2020-12-09 08:01:58,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:01:58,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670203352] [2020-12-09 08:01:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 08:01:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:58,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:01:58,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:01:58,708 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 08:01:58,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:01:58,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670203352] [2020-12-09 08:01:58,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:58,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 08:01:58,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15287546] [2020-12-09 08:01:58,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 08:01:58,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:01:58,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 08:01:58,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 08:01:58,710 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2020-12-09 08:01:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:58,817 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-09 08:01:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 08:01:58,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-09 08:01:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:58,818 INFO L225 Difference]: With dead ends: 24 [2020-12-09 08:01:58,818 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 08:01:58,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:01:58,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 08:01:58,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 08:01:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 08:01:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-12-09 08:01:58,822 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-12-09 08:01:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:58,822 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-12-09 08:01:58,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 08:01:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-12-09 08:01:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 08:01:58,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:01:58,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:01:59,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:01:59,025 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:01:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:01:59,026 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2020-12-09 08:01:59,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:01:59,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495528190] [2020-12-09 08:01:59,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 08:01:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:01:59,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 08:01:59,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:01:59,268 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 08:01:59,269 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 08:01:59,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:01:59,278 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 08:01:59,278 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:31 [2020-12-09 08:01:59,363 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2020-12-09 08:01:59,364 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 08:01:59,366 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:01:59,367 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 08:01:59,367 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:12 [2020-12-09 08:01:59,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:01:59,427 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 08:01:59,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:01:59,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495528190] [2020-12-09 08:01:59,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:01:59,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 08:01:59,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840695062] [2020-12-09 08:01:59,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 08:01:59,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:01:59,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 08:01:59,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-09 08:01:59,429 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2020-12-09 08:01:59,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:01:59,752 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-12-09 08:01:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 08:01:59,752 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-12-09 08:01:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:01:59,753 INFO L225 Difference]: With dead ends: 21 [2020-12-09 08:01:59,753 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:01:59,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-09 08:01:59,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:01:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:01:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:01:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:01:59,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-12-09 08:01:59,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:01:59,754 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:01:59,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 08:01:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:01:59,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:01:59,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 08:01:59,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:02:00,332 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-12-09 08:02:00,334 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-12-09 08:02:00,334 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-09 08:02:00,334 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L258 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= ULTIMATE.start_ceil_float_~x .cse0) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) ULTIMATE.start___signbit_float_~x)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse2 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12|)) [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L82-2(lines 82 85) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:02:00,335 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L265 CegarLoopResult]: At program point L87(lines 70 88) the Hoare annotation is: true [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L258 CegarLoopResult]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_ceil_float_~x .cse0) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) ULTIMATE.start___signbit_float_~x)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse2 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12|)) [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2020-12-09 08:02:00,336 INFO L258 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse0 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_ceil_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= ULTIMATE.start_ceil_float_~x (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) [2020-12-09 08:02:00,336 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2020-12-09 08:02:00,337 INFO L258 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= ULTIMATE.start_ceil_float_~x (fp (_ bv1 1) (_ bv0 8) (_ bv0 23))) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-12-09 08:02:00,337 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2020-12-09 08:02:00,337 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-12-09 08:02:00,337 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-12-09 08:02:00,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:02:00 BoogieIcfgContainer [2020-12-09 08:02:00,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:02:00,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:02:00,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:02:00,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:02:00,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:01:57" (3/4) ... [2020-12-09 08:02:00,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:02:00,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 08:02:00,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 08:02:00,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:02:00,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:02:00,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0])) [2020-12-09 08:02:00,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux [2020-12-09 08:02:00,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux [2020-12-09 08:02:00,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df0356af-8d43-49b5-bb65-e504102321e4/bin/utaipan/witness.graphml [2020-12-09 08:02:00,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:02:00,403 INFO L168 Benchmark]: Toolchain (without parser) took 4143.59 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 42.6 MB in the beginning and 67.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,403 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:02:00,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.78 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 31.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 46.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,404 INFO L168 Benchmark]: Boogie Preprocessor took 24.61 ms. Allocated memory is still 62.9 MB. Free memory was 46.6 MB in the beginning and 45.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:02:00,405 INFO L168 Benchmark]: RCFGBuilder took 580.48 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 45.0 MB in the beginning and 106.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,405 INFO L168 Benchmark]: TraceAbstraction took 3267.05 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 70.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,405 INFO L168 Benchmark]: Witness Printer took 41.39 ms. Allocated memory is still 125.8 MB. Free memory was 70.8 MB in the beginning and 67.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:02:00,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 182.78 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 31.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 46.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.61 ms. Allocated memory is still 62.9 MB. Free memory was 46.6 MB in the beginning and 45.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 580.48 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 45.0 MB in the beginning and 106.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3267.05 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 70.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. * Witness Printer took 41.39 ms. Allocated memory is still 125.8 MB. Free memory was 70.8 MB in the beginning and 67.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: 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: 18]: Loop Invariant [2020-12-09 08:02:00,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 61]: Loop Invariant [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux - InvariantResult [Line: 15]: Loop Invariant [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0])) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 08:02:00,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 138 SDslu, 89 SDs, 0 SdLazy, 81 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 367 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 163 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 6 QuantifiedInterpolants, 6299 SizeOfPredicates, 27 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...