./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a.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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 051f516ef914e7e08e36480db1055cdf3735f5db ................................................................................................................................................................................................................................................................................................................................. 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 051f516ef914e7e08e36480db1055cdf3735f5db ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:14:42,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:14:42,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:14:42,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:14:42,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:14:42,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:14:42,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:14:42,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:14:42,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:14:42,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:14:42,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:14:42,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:14:42,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:14:42,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:14:42,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:14:42,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:14:42,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:14:42,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:14:42,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:14:42,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:14:42,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:14:42,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:14:42,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:14:42,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:14:42,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:14:42,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:14:42,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:14:42,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:14:42,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:14:42,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:14:42,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:14:42,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:14:42,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:14:42,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:14:42,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:14:42,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:14:42,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:14:42,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:14:42,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:14:42,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:14:42,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:14:42,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:14:42,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:14:42,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:14:42,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:14:42,149 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:14:42,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:14:42,150 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:14:42,151 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:14:42,151 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:14:42,151 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:14:42,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:14:42,152 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:14:42,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:14:42,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:14:42,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:14:42,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:14:42,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:14:42,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:14:42,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:14:42,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:14:42,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:14:42,155 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051f516ef914e7e08e36480db1055cdf3735f5db [2020-12-09 08:14:42,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:14:42,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:14:42,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:14:42,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:14:42,359 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:14:42,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2020-12-09 08:14:42,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/41014dec6/f932ddd2ce4b414d80e9d1e05b1113a6/FLAGfe78622ec [2020-12-09 08:14:42,773 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:14:42,774 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2020-12-09 08:14:42,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/41014dec6/f932ddd2ce4b414d80e9d1e05b1113a6/FLAGfe78622ec [2020-12-09 08:14:43,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/41014dec6/f932ddd2ce4b414d80e9d1e05b1113a6 [2020-12-09 08:14:43,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:14:43,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:14:43,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:14:43,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:14:43,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:14:43,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6f96e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43, skipping insertion in model container [2020-12-09 08:14:43,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:14:43,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:14:43,405 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2020-12-09 08:14:43,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:14:43,413 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:14:43,461 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2020-12-09 08:14:43,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:14:43,473 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:14:43,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43 WrapperNode [2020-12-09 08:14:43,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:14:43,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:14:43,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:14:43,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:14:43,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:14:43,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:14:43,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:14:43,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:14:43,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... [2020-12-09 08:14:43,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:14:43,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:14:43,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:14:43,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:14:43,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 08:14:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:14:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:14:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 08:14:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 08:14:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 08:14:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:14:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:14:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 08:14:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:14:44,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:14:44,557 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-09 08:14:44,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:44 BoogieIcfgContainer [2020-12-09 08:14:44,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:14:44,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:14:44,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:14:44,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:14:44,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:14:43" (1/3) ... [2020-12-09 08:14:44,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2544adbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:14:44, skipping insertion in model container [2020-12-09 08:14:44,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:43" (2/3) ... [2020-12-09 08:14:44,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2544adbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:14:44, skipping insertion in model container [2020-12-09 08:14:44,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:44" (3/3) ... [2020-12-09 08:14:44,565 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2020-12-09 08:14:44,574 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:14:44,577 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:14:44,584 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:14:44,600 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:14:44,600 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:14:44,600 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:14:44,600 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:14:44,600 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:14:44,600 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:14:44,600 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:14:44,601 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:14:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-12-09 08:14:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 08:14:44,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:44,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:44,619 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:44,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1025116999, now seen corresponding path program 1 times [2020-12-09 08:14:44,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:14:44,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698318420] [2020-12-09 08:14:44,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:14:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:44,728 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 08:14:44,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698318420] [2020-12-09 08:14:44,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:44,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:14:44,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192615687] [2020-12-09 08:14:44,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:14:44,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:14:44,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:14:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:14:44,743 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-12-09 08:14:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:44,759 INFO L93 Difference]: Finished difference Result 105 states and 175 transitions. [2020-12-09 08:14:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:14:44,760 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 08:14:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:44,766 INFO L225 Difference]: With dead ends: 105 [2020-12-09 08:14:44,766 INFO L226 Difference]: Without dead ends: 51 [2020-12-09 08:14:44,768 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 08:14:44,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-09 08:14:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-09 08:14:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-09 08:14:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2020-12-09 08:14:44,793 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 8 [2020-12-09 08:14:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:44,794 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2020-12-09 08:14:44,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:14:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2020-12-09 08:14:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:14:44,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:44,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:44,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:14:44,795 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:44,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:44,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1959775148, now seen corresponding path program 1 times [2020-12-09 08:14:44,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:14:44,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973030108] [2020-12-09 08:14:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:14:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:14:44,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:14:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:14:44,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:14:44,875 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 08:14:44,875 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 08:14:44,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 08:14:44,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:14:44 BoogieIcfgContainer [2020-12-09 08:14:44,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:14:44,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:14:44,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:14:44,900 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:14:44,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:44" (3/4) ... [2020-12-09 08:14:44,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 08:14:44,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:14:44,905 INFO L168 Benchmark]: Toolchain (without parser) took 1699.92 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.6 MB in the beginning and 78.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:14:44,905 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 104.9 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:14:44,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.12 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 74.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:14:44,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.28 ms. Allocated memory is still 104.9 MB. Free memory was 74.6 MB in the beginning and 71.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:14:44,906 INFO L168 Benchmark]: Boogie Preprocessor took 47.73 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 68.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:14:44,907 INFO L168 Benchmark]: RCFGBuilder took 991.42 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.3 MB in the beginning and 51.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:14:44,907 INFO L168 Benchmark]: TraceAbstraction took 339.74 ms. Allocated memory is still 125.8 MB. Free memory was 51.0 MB in the beginning and 78.4 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:14:44,908 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 125.8 MB. Free memory is still 78.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:14:44,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 104.9 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.12 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 74.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.28 ms. Allocated memory is still 104.9 MB. Free memory was 74.6 MB in the beginning and 71.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.73 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 68.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 991.42 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.3 MB in the beginning and 51.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 339.74 ms. Allocated memory is still 125.8 MB. Free memory was 51.0 MB in the beginning and 78.4 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.05 ms. Allocated memory is still 125.8 MB. Free memory is still 78.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 379]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 287, overapproximation of someBinaryArithmeticDOUBLEoperation at line 323, overapproximation of bitwiseAnd at line 305, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L374] double x = 1.0 / 0.0; [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L301] ieee_double_shape_type gh_u; [L302] gh_u.value = (x) [L303] EXPR gh_u.parts.msw [L303] (hx) = gh_u.parts.msw [L305] ix = hx & 0x7fffffff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L306] COND FALSE !(ix >= 0x3ff00000) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L321] COND TRUE ix < 0x3fe00000 [L322] COND FALSE !(ix <= 0x3c600000) [L324] z = x * x [L325-L328] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L329-L330] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L331] r = p / q [L332] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L375] double res = __ieee754_acos(x); [L103] return x != x; [L378] COND TRUE !isnan_double(res) [L379] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 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=53occurred 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 08:14:46,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:14:46,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:14:46,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:14:46,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:14:46,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:14:46,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:14:46,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:14:46,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:14:46,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:14:46,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:14:46,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:14:46,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:14:46,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:14:46,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:14:46,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:14:46,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:14:46,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:14:46,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:14:46,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:14:46,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:14:46,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:14:46,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:14:46,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:14:46,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:14:46,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:14:46,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:14:46,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:14:46,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:14:46,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:14:46,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:14:46,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:14:46,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:14:46,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:14:46,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:14:46,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:14:46,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:14:46,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:14:46,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:14:46,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:14:46,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:14:46,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:14:46,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:14:46,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:14:46,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:14:46,679 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:14:46,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:14:46,679 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:14:46,679 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:14:46,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:14:46,680 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:14:46,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:14:46,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:14:46,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:14:46,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:14:46,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:14:46,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:14:46,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:14:46,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:14:46,684 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051f516ef914e7e08e36480db1055cdf3735f5db [2020-12-09 08:14:46,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:14:46,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:14:46,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:14:46,939 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:14:46,939 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:14:46,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2020-12-09 08:14:46,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/c9209bd3c/37d4ebb2d5244a2a975dd4aa39d98c0f/FLAG77f99a5a5 [2020-12-09 08:14:47,367 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:14:47,367 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2020-12-09 08:14:47,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/c9209bd3c/37d4ebb2d5244a2a975dd4aa39d98c0f/FLAG77f99a5a5 [2020-12-09 08:14:47,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/data/c9209bd3c/37d4ebb2d5244a2a975dd4aa39d98c0f [2020-12-09 08:14:47,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:14:47,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:14:47,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:14:47,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:14:47,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:14:47,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c92869a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47, skipping insertion in model container [2020-12-09 08:14:47,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:14:47,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:14:47,632 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2020-12-09 08:14:47,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:14:47,647 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:14:47,709 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_54f294bf-009b-4c8b-aeb9-7fa42d36d577/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2020-12-09 08:14:47,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:14:47,730 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:14:47,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47 WrapperNode [2020-12-09 08:14:47,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:14:47,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:14:47,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:14:47,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:14:47,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:14:47,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:14:47,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:14:47,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:14:47,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... [2020-12-09 08:14:47,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:14:47,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:14:47,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:14:47,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:14:47,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:14:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 08:14:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:15:17,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:15:17,916 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-09 08:15:17,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:15:17 BoogieIcfgContainer [2020-12-09 08:15:17,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:15:17,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:15:17,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:15:17,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:15:17,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:14:47" (1/3) ... [2020-12-09 08:15:17,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771a0c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:15:17, skipping insertion in model container [2020-12-09 08:15:17,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:14:47" (2/3) ... [2020-12-09 08:15:17,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771a0c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:15:17, skipping insertion in model container [2020-12-09 08:15:17,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:15:17" (3/3) ... [2020-12-09 08:15:17,923 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2020-12-09 08:15:17,934 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:15:17,937 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:15:17,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:15:17,964 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:15:17,965 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:15:17,965 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:15:17,965 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:15:17,965 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:15:17,965 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:15:17,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:15:17,965 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:15:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-12-09 08:15:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 08:15:17,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:15:17,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:15:17,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:15:17,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:15:17,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-12-09 08:15:17,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:15:17,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682152536] [2020-12-09 08:15:17,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 08:15:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:18,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 08:15:18,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:18,727 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 08:15:18,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:15:18,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682152536] [2020-12-09 08:15:18,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:15:18,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:15:18,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99041451] [2020-12-09 08:15:18,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:15:18,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:15:18,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:15:18,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:15:18,741 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2020-12-09 08:15:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:15:18,759 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2020-12-09 08:15:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:15:18,760 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 08:15:18,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:15:18,767 INFO L225 Difference]: With dead ends: 206 [2020-12-09 08:15:18,767 INFO L226 Difference]: Without dead ends: 101 [2020-12-09 08:15:18,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 08:15:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-09 08:15:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-09 08:15:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-09 08:15:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-12-09 08:15:18,797 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-12-09 08:15:18,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:15:18,797 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-12-09 08:15:18,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:15:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-12-09 08:15:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 08:15:18,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:15:18,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:15:18,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:15:18,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:15:19,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:15:19,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-12-09 08:15:19,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:15:19,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741053216] [2020-12-09 08:15:19,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 08:15:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:19,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:15:19,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:19,876 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 08:15:19,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:15:19,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741053216] [2020-12-09 08:15:19,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:15:19,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 08:15:19,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425979597] [2020-12-09 08:15:19,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:15:19,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:15:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:15:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:15:19,880 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand 5 states. [2020-12-09 08:15:20,293 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 08:15:20,680 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 08:15:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:15:23,353 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2020-12-09 08:15:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:15:23,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-09 08:15:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:15:23,532 INFO L225 Difference]: With dead ends: 106 [2020-12-09 08:15:23,532 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 08:15:23,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 08:15:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 08:15:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-09 08:15:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 08:15:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-12-09 08:15:23,535 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-12-09 08:15:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:15:23,536 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-12-09 08:15:23,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:15:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-09 08:15:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 08:15:23,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:15:23,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:15:23,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:15:23,738 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:15:23,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:15:23,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2020-12-09 08:15:23,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:15:23,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728578616] [2020-12-09 08:15:23,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/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 08:15:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:24,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 08:15:24,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:24,896 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-09 08:15:25,646 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 08:15:25,992 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 08:15:25,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:15:25,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728578616] [2020-12-09 08:15:25,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:15:25,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 08:15:25,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235672040] [2020-12-09 08:15:25,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:15:25,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:15:25,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:15:25,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 08:15:25,995 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2020-12-09 08:15:29,486 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 08:15:29,896 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 08:15:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:15:29,898 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-09 08:15:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:15:29,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-09 08:15:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:15:29,898 INFO L225 Difference]: With dead ends: 14 [2020-12-09 08:15:29,899 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:15:29,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:15:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:15:29,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:15:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:15:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:15:29,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 08:15:29,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:15:29,900 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:15:29,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:15:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:15:29,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:15:30,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:15:30,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:15:30,467 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 08:15:30,896 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 11 [2020-12-09 08:15:31,701 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2020-12-09 08:15:31,883 INFO L262 CegarLoopResult]: For program point L349-1(lines 349 354) no Hoare annotation was computed. [2020-12-09 08:15:31,883 INFO L258 CegarLoopResult]: At program point L349-2(lines 349 354) the Hoare annotation is: false [2020-12-09 08:15:31,883 INFO L262 CegarLoopResult]: For program point L349-3(lines 349 354) no Hoare annotation was computed. [2020-12-09 08:15:31,883 INFO L262 CegarLoopResult]: For program point L333(lines 333 365) no Hoare annotation was computed. [2020-12-09 08:15:31,884 INFO L262 CegarLoopResult]: For program point L300-1(lines 300 304) no Hoare annotation was computed. [2020-12-09 08:15:31,884 INFO L258 CegarLoopResult]: At program point L300-2(lines 300 304) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2020-12-09 08:15:31,884 INFO L262 CegarLoopResult]: For program point L300-3(lines 300 304) no Hoare annotation was computed. [2020-12-09 08:15:31,884 INFO L265 CegarLoopResult]: At program point L383(lines 368 384) the Hoare annotation is: true [2020-12-09 08:15:31,884 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:15:31,884 INFO L258 CegarLoopResult]: At program point L235-2(lines 235 251) the Hoare annotation is: false [2020-12-09 08:15:31,884 INFO L262 CegarLoopResult]: For program point L235-3(lines 172 280) no Hoare annotation was computed. [2020-12-09 08:15:31,885 INFO L258 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-12-09 08:15:31,885 INFO L258 CegarLoopResult]: At program point L235-6(lines 235 251) the Hoare annotation is: false [2020-12-09 08:15:31,885 INFO L262 CegarLoopResult]: For program point L235-7(lines 172 280) no Hoare annotation was computed. [2020-12-09 08:15:31,885 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2020-12-09 08:15:31,885 INFO L258 CegarLoopResult]: At program point L203-3(lines 203 204) the Hoare annotation is: false [2020-12-09 08:15:31,885 INFO L262 CegarLoopResult]: For program point L203-4(lines 203 204) no Hoare annotation was computed. [2020-12-09 08:15:31,885 INFO L262 CegarLoopResult]: For program point L203-7(lines 203 204) no Hoare annotation was computed. [2020-12-09 08:15:31,885 INFO L258 CegarLoopResult]: At program point L203-8(lines 203 204) the Hoare annotation is: false [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L203-9(lines 203 204) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L253-1(lines 253 267) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L270(lines 270 271) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L270-2(lines 270 271) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L270-3(lines 270 271) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L270-5(lines 270 271) no Hoare annotation was computed. [2020-12-09 08:15:31,886 INFO L262 CegarLoopResult]: For program point L238(lines 238 247) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L238-2(lines 238 247) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L238-3(lines 238 247) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L238-5(lines 238 247) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L321(lines 321 365) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L255(lines 255 266) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L189(lines 189 194) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L255-2(lines 255 266) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L258 CegarLoopResult]: At program point L222-2(lines 222 232) the Hoare annotation is: false [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 194) no Hoare annotation was computed. [2020-12-09 08:15:31,887 INFO L262 CegarLoopResult]: For program point L222-3(lines 222 232) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L189-3(lines 189 194) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L189-5(lines 189 194) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L258 CegarLoopResult]: At program point L222-6(lines 222 232) the Hoare annotation is: false [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L222-7(lines 222 232) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L322(lines 322 323) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L190(lines 190 193) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L190-1(lines 190 193) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L306(lines 306 320) no Hoare annotation was computed. [2020-12-09 08:15:31,888 INFO L262 CegarLoopResult]: For program point L240(lines 240 241) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L273-1(lines 273 278) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L258 CegarLoopResult]: At program point L273-2(lines 273 278) the Hoare annotation is: false [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L240-2(lines 240 241) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L273-3(lines 273 278) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L240-3(lines 240 241) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L273-5(lines 273 278) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L240-5(lines 240 241) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L258 CegarLoopResult]: At program point L273-6(lines 273 278) the Hoare annotation is: false [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L273-7(lines 273 278) no Hoare annotation was computed. [2020-12-09 08:15:31,889 INFO L262 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L192(lines 192 193) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L192-1(lines 192 193) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L262 CegarLoopResult]: For program point L308-1(lines 308 312) no Hoare annotation was computed. [2020-12-09 08:15:31,890 INFO L258 CegarLoopResult]: At program point L308-2(lines 308 312) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|)) ULTIMATE.start___ieee754_acos_~ix~0))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~2))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L308-3(lines 306 320) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L243(lines 243 244) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L243-2(lines 243 244) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L243-3(lines 243 244) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L243-5(lines 243 244) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L260(lines 260 265) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L260-3(lines 260 265) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L211(lines 211 214) no Hoare annotation was computed. [2020-12-09 08:15:31,891 INFO L262 CegarLoopResult]: For program point L178-1(lines 178 183) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L211-2(lines 211 214) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L258 CegarLoopResult]: At program point L178-2(lines 178 183) the Hoare annotation is: false [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L211-3(lines 211 214) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L178-3(lines 172 280) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L211-5(lines 211 214) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L178-5(lines 178 183) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L258 CegarLoopResult]: At program point L178-6(lines 178 183) the Hoare annotation is: false [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L178-7(lines 172 280) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L261(lines 261 262) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L261-2(lines 261 262) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2020-12-09 08:15:31,892 INFO L262 CegarLoopResult]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L378(lines 378 381) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L258 CegarLoopResult]: At program point L279(lines 172 280) the Hoare annotation is: false [2020-12-09 08:15:31,893 INFO L258 CegarLoopResult]: At program point L279-1(lines 172 280) the Hoare annotation is: false [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L197(lines 197 208) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L197-2(lines 197 208) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L197-3(lines 197 208) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L197-5(lines 197 208) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-12-09 08:15:31,893 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2020-12-09 08:15:31,894 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-12-09 08:15:31,894 INFO L262 CegarLoopResult]: For program point L198-3(lines 198 202) no Hoare annotation was computed. [2020-12-09 08:15:31,894 INFO L258 CegarLoopResult]: At program point L198-6(lines 198 202) the Hoare annotation is: false [2020-12-09 08:15:31,894 INFO L262 CegarLoopResult]: For program point L198-7(lines 198 202) no Hoare annotation was computed. [2020-12-09 08:15:31,894 INFO L262 CegarLoopResult]: For program point L314(lines 314 317) no Hoare annotation was computed. [2020-12-09 08:15:31,894 INFO L258 CegarLoopResult]: At program point L364(lines 297 366) the Hoare annotation is: (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) [2020-12-09 08:15:31,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:31,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:15:31 BoogieIcfgContainer [2020-12-09 08:15:31,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:15:31,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:15:31,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:15:31,921 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:15:31,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:15:17" (3/4) ... [2020-12-09 08:15:31,924 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:15:31,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-09 08:15:31,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 08:15:31,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:15:31,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:15:31,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 08:15:31,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 08:15:31,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) [2020-12-09 08:15:31,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result [2020-12-09 08:15:32,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54f294bf-009b-4c8b-aeb9-7fa42d36d577/bin/utaipan/witness.graphml [2020-12-09 08:15:32,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:15:32,011 INFO L168 Benchmark]: Toolchain (without parser) took 44623.69 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.2 MB in the beginning and 38.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,011 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 134.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:15:32,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.97 ms. Allocated memory is still 75.5 MB. Free memory was 40.1 MB in the beginning and 50.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 75.5 MB. Free memory was 50.4 MB in the beginning and 47.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,012 INFO L168 Benchmark]: Boogie Preprocessor took 51.81 ms. Allocated memory is still 75.5 MB. Free memory was 47.3 MB in the beginning and 44.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,012 INFO L168 Benchmark]: RCFGBuilder took 30076.75 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.4 MB in the beginning and 38.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,012 INFO L168 Benchmark]: TraceAbstraction took 14001.80 ms. Allocated memory is still 92.3 MB. Free memory was 37.3 MB in the beginning and 48.1 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:15:32,012 INFO L168 Benchmark]: Witness Printer took 89.25 ms. Allocated memory is still 92.3 MB. Free memory was 48.1 MB in the beginning and 38.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:15:32,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 134.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.97 ms. Allocated memory is still 75.5 MB. Free memory was 40.1 MB in the beginning and 50.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 75.5 MB. Free memory was 50.4 MB in the beginning and 47.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.81 ms. Allocated memory is still 75.5 MB. Free memory was 47.3 MB in the beginning and 44.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 30076.75 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.4 MB in the beginning and 38.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14001.80 ms. Allocated memory is still 92.3 MB. Free memory was 37.3 MB in the beginning and 48.1 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 89.25 ms. Allocated memory is still 92.3 MB. Free memory was 48.1 MB in the beginning and 38.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 379]: 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: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 103]: Loop Invariant [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 08:15:32,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 23 SDslu, 31 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 152 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 2470 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...