./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.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_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 ce759125498379becdf6ed11008c618e3f1de4d5 .......................................................................................................................................................................................................................................................................................................... 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_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 ce759125498379becdf6ed11008c618e3f1de4d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:42:20,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:42:20,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:42:20,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:42:20,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:42:20,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:42:20,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:42:20,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:42:20,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:42:20,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:42:20,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:42:20,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:42:20,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:42:20,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:42:20,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:42:20,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:42:20,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:42:20,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:42:20,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:42:20,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:42:20,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:42:20,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:42:20,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:42:20,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:42:20,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:42:20,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:42:20,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:42:20,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:42:20,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:42:20,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:42:20,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:42:20,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:42:20,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:42:20,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:42:20,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:42:20,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:42:20,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:42:20,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:42:20,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:42:20,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:42:20,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:42:20,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:42:20,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:42:20,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:42:20,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:42:20,289 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:42:20,289 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:42:20,290 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:42:20,290 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:42:20,290 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:42:20,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:42:20,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:42:20,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:42:20,294 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:42:20,295 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:42:20,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:42:20,295 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:42:20,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:42:20,296 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:42:20,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:42:20,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:42:20,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:42:20,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:42:20,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:42:20,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:42:20,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:42:20,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:42:20,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:42:20,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:42:20,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:42:20,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:42:20,300 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_41220d97-879b-4739-adcb-4cbe4eb5a108/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce759125498379becdf6ed11008c618e3f1de4d5 [2020-12-09 04:42:20,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:42:20,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:42:20,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:42:20,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:42:20,496 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:42:20,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2020-12-09 04:42:20,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/bd1f8ec8a/1510501298194fc1bc035def441c1af3/FLAG772324e24 [2020-12-09 04:42:20,921 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:42:20,921 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2020-12-09 04:42:20,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/bd1f8ec8a/1510501298194fc1bc035def441c1af3/FLAG772324e24 [2020-12-09 04:42:20,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/bd1f8ec8a/1510501298194fc1bc035def441c1af3 [2020-12-09 04:42:20,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:42:20,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:42:20,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:42:20,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:42:20,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:42:20,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:42:20" (1/1) ... [2020-12-09 04:42:20,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f25b3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:20, skipping insertion in model container [2020-12-09 04:42:20,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:42:20" (1/1) ... [2020-12-09 04:42:20,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:42:20,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:42:21,080 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_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2020-12-09 04:42:21,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:42:21,089 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:42:21,107 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_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2020-12-09 04:42:21,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:42:21,118 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:42:21,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21 WrapperNode [2020-12-09 04:42:21,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:42:21,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:42:21,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:42:21,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:42:21,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:42:21,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:42:21,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:42:21,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:42:21,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... [2020-12-09 04:42:21,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:42:21,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:42:21,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:42:21,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:42:21,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 04:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:42:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 04:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 04:42:21,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:42:21,576 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 04:42:21,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:21 BoogieIcfgContainer [2020-12-09 04:42:21,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:42:21,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:42:21,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:42:21,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:42:21,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:42:20" (1/3) ... [2020-12-09 04:42:21,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c550d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:42:21, skipping insertion in model container [2020-12-09 04:42:21,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:21" (2/3) ... [2020-12-09 04:42:21,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c550d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:42:21, skipping insertion in model container [2020-12-09 04:42:21,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:21" (3/3) ... [2020-12-09 04:42:21,584 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2020-12-09 04:42:21,594 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:42:21,596 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:42:21,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:42:21,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:42:21,623 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:42:21,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:42:21,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:42:21,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:42:21,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:42:21,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:42:21,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:42:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-09 04:42:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 04:42:21,637 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:21,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:21,637 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:21,642 INFO L82 PathProgramCache]: Analyzing trace with hash -689913283, now seen corresponding path program 1 times [2020-12-09 04:42:21,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:42:21,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325573964] [2020-12-09 04:42:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:42:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:21,739 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 04:42:21,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325573964] [2020-12-09 04:42:21,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:21,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:42:21,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734981288] [2020-12-09 04:42:21,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 04:42:21,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:42:21,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 04:42:21,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 04:42:21,756 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-12-09 04:42:21,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:21,767 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-12-09 04:42:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 04:42:21,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 04:42:21,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:21,780 INFO L225 Difference]: With dead ends: 39 [2020-12-09 04:42:21,781 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 04:42:21,783 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 04:42:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 04:42:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 04:42:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 04:42:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-12-09 04:42:21,804 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 8 [2020-12-09 04:42:21,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:21,805 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-12-09 04:42:21,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 04:42:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-09 04:42:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 04:42:21,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:21,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:21,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:42:21,805 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:21,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:21,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1927745202, now seen corresponding path program 1 times [2020-12-09 04:42:21,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:42:21,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497704127] [2020-12-09 04:42:21,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:42:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 04:42:21,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 04:42:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 04:42:21,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 04:42:21,886 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 04:42:21,886 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 04:42:21,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 04:42:21,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:42:21 BoogieIcfgContainer [2020-12-09 04:42:21,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:42:21,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:42:21,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:42:21,907 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:42:21,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:21" (3/4) ... [2020-12-09 04:42:21,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 04:42:21,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:42:21,913 INFO L168 Benchmark]: Toolchain (without parser) took 968.08 ms. Allocated memory is still 121.6 MB. Free memory was 102.2 MB in the beginning and 89.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:21,913 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:42:21,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.31 ms. Allocated memory is still 121.6 MB. Free memory was 101.8 MB in the beginning and 91.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:21,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 121.6 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:21,915 INFO L168 Benchmark]: Boogie Preprocessor took 22.12 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:21,916 INFO L168 Benchmark]: RCFGBuilder took 400.47 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 60.0 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:21,917 INFO L168 Benchmark]: TraceAbstraction took 327.02 ms. Allocated memory is still 121.6 MB. Free memory was 59.5 MB in the beginning and 90.2 MB in the end (delta: -30.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:42:21,917 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 121.6 MB. Free memory was 90.2 MB in the beginning and 89.8 MB in the end (delta: 343.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:42:21,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 174.31 ms. Allocated memory is still 121.6 MB. Free memory was 101.8 MB in the beginning and 91.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 121.6 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.12 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 400.47 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 60.0 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 327.02 ms. Allocated memory is still 121.6 MB. Free memory was 59.5 MB in the beginning and 90.2 MB in the end (delta: -30.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.87 ms. Allocated memory is still 121.6 MB. Free memory was 90.2 MB in the beginning and 89.8 MB in the end (delta: 343.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of bitwiseAnd at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L77] float x = 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) [L45] COND TRUE !((ix) < 0x7f800000L) [L46] return x + x; VAL [huge_floor=1000000000000000000000000000000] [L78] float res = floor_float(x); [L81] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_floor=1000000000000000000000000000000] [L81] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 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: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 04:42:23,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:42:23,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:42:23,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:42:23,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:42:23,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:42:23,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:42:23,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:42:23,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:42:23,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:42:23,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:42:23,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:42:23,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:42:23,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:42:23,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:42:23,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:42:23,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:42:23,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:42:23,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:42:23,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:42:23,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:42:23,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:42:23,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:42:23,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:42:23,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:42:23,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:42:23,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:42:23,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:42:23,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:42:23,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:42:23,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:42:23,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:42:23,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:42:23,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:42:23,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:42:23,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:42:23,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:42:23,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:42:23,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:42:23,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:42:23,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:42:23,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 04:42:23,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:42:23,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:42:23,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:42:23,501 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:42:23,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:42:23,502 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:42:23,502 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:42:23,502 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:42:23,502 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:42:23,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:42:23,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:42:23,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:42:23,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:42:23,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:42:23,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:42:23,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:42:23,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:42:23,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:42:23,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 04:42:23,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:42:23,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:42:23,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:42:23,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:42:23,506 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_41220d97-879b-4739-adcb-4cbe4eb5a108/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce759125498379becdf6ed11008c618e3f1de4d5 [2020-12-09 04:42:23,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:42:23,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:42:23,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:42:23,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:42:23,753 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:42:23,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2020-12-09 04:42:23,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/0eb62ea83/836ceb754b384788b8dcdaf6f9e03aa9/FLAGd11066f31 [2020-12-09 04:42:24,182 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:42:24,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2020-12-09 04:42:24,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/0eb62ea83/836ceb754b384788b8dcdaf6f9e03aa9/FLAGd11066f31 [2020-12-09 04:42:24,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/data/0eb62ea83/836ceb754b384788b8dcdaf6f9e03aa9 [2020-12-09 04:42:24,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:42:24,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:42:24,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:42:24,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:42:24,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:42:24,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d91b9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24, skipping insertion in model container [2020-12-09 04:42:24,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:42:24,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:42:24,342 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_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2020-12-09 04:42:24,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:42:24,353 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:42:24,383 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_41220d97-879b-4739-adcb-4cbe4eb5a108/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2020-12-09 04:42:24,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:42:24,401 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:42:24,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24 WrapperNode [2020-12-09 04:42:24,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:42:24,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:42:24,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:42:24,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:42:24,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:42:24,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:42:24,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:42:24,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:42:24,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... [2020-12-09 04:42:24,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:42:24,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:42:24,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:42:24,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:42:24,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:42:24,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 04:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 04:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 04:42:25,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:42:25,134 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 04:42:25,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:25 BoogieIcfgContainer [2020-12-09 04:42:25,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:42:25,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:42:25,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:42:25,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:42:25,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:42:24" (1/3) ... [2020-12-09 04:42:25,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724d32be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:42:25, skipping insertion in model container [2020-12-09 04:42:25,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:42:24" (2/3) ... [2020-12-09 04:42:25,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724d32be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:42:25, skipping insertion in model container [2020-12-09 04:42:25,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:25" (3/3) ... [2020-12-09 04:42:25,142 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2020-12-09 04:42:25,152 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:42:25,154 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:42:25,162 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:42:25,181 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:42:25,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:42:25,182 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:42:25,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:42:25,182 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:42:25,182 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:42:25,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:42:25,182 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:42:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-09 04:42:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 04:42:25,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:25,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:25,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-12-09 04:42:25,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:42:25,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239300234] [2020-12-09 04:42:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 04:42:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:25,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 04:42:25,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:42:25,312 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 04:42:25,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:42:25,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239300234] [2020-12-09 04:42:25,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:25,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:42:25,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084376794] [2020-12-09 04:42:25,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 04:42:25,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:42:25,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 04:42:25,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 04:42:25,331 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-09 04:42:25,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:25,343 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-12-09 04:42:25,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 04:42:25,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 04:42:25,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:25,350 INFO L225 Difference]: With dead ends: 58 [2020-12-09 04:42:25,350 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 04:42:25,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 04:42:25,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 04:42:25,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 04:42:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 04:42:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-12-09 04:42:25,374 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-12-09 04:42:25,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:25,374 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-12-09 04:42:25,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 04:42:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-09 04:42:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 04:42:25,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:25,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:25,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 04:42:25,575 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:25,576 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-12-09 04:42:25,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:42:25,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387596845] [2020-12-09 04:42:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 04:42:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:25,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 04:42:25,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:42:25,719 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 04:42:25,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:42:25,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387596845] [2020-12-09 04:42:25,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:25,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 04:42:25,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929313851] [2020-12-09 04:42:25,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 04:42:25,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:42:25,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 04:42:25,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 04:42:25,723 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2020-12-09 04:42:25,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:25,939 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-12-09 04:42:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 04:42:25,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 04:42:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:25,940 INFO L225 Difference]: With dead ends: 39 [2020-12-09 04:42:25,940 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 04:42:25,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 04:42:25,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 04:42:25,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 04:42:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 04:42:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-12-09 04:42:25,945 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2020-12-09 04:42:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:25,945 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-12-09 04:42:25,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 04:42:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-12-09 04:42:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 04:42:25,946 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:25,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:26,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 04:42:26,147 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:26,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:26,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2020-12-09 04:42:26,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:42:26,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016414902] [2020-12-09 04:42:26,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/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 04:42:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:26,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 04:42:26,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:42:26,324 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 04:42:26,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:42:26,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016414902] [2020-12-09 04:42:26,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:26,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 04:42:26,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464424787] [2020-12-09 04:42:26,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 04:42:26,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:42:26,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 04:42:26,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 04:42:26,326 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2020-12-09 04:42:26,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:26,357 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-12-09 04:42:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 04:42:26,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-12-09 04:42:26,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:26,358 INFO L225 Difference]: With dead ends: 33 [2020-12-09 04:42:26,358 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 04:42:26,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 04:42:26,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 04:42:26,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 04:42:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 04:42:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-09 04:42:26,362 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2020-12-09 04:42:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:26,362 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-09 04:42:26,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 04:42:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-09 04:42:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 04:42:26,362 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:26,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:26,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 04:42:26,564 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:26,566 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2020-12-09 04:42:26,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:42:26,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929753405] [2020-12-09 04:42:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 04:42:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:26,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 04:42:26,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:42:26,713 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 04:42:26,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:42:26,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929753405] [2020-12-09 04:42:26,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:26,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 04:42:26,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933016054] [2020-12-09 04:42:26,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 04:42:26,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:42:26,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 04:42:26,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 04:42:26,716 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2020-12-09 04:42:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:26,843 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-09 04:42:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 04:42:26,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-09 04:42:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:26,844 INFO L225 Difference]: With dead ends: 24 [2020-12-09 04:42:26,844 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 04:42:26,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 04:42:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 04:42:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 04:42:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 04:42:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-12-09 04:42:26,848 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-12-09 04:42:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:26,848 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-12-09 04:42:26,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 04:42:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-12-09 04:42:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 04:42:26,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:42:26,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:42:27,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 04:42:27,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:42:27,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:42:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2020-12-09 04:42:27,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:42:27,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854696763] [2020-12-09 04:42:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 04:42:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:42:27,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 04:42:27,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:42:27,193 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 04:42:27,194 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 04:42:27,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 04:42:27,201 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 04:42:27,201 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:29 [2020-12-09 04:42:27,294 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2020-12-09 04:42:27,296 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 04:42:27,299 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 04:42:27,299 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 04:42:27,300 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2020-12-09 04:42:27,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:42:27,375 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 04:42:27,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:42:27,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854696763] [2020-12-09 04:42:27,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:42:27,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 04:42:27,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215794695] [2020-12-09 04:42:27,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 04:42:27,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:42:27,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 04:42:27,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-09 04:42:27,377 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2020-12-09 04:42:27,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:42:27,743 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-12-09 04:42:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 04:42:27,744 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-12-09 04:42:27,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:42:27,744 INFO L225 Difference]: With dead ends: 21 [2020-12-09 04:42:27,744 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 04:42:27,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-09 04:42:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 04:42:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 04:42:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 04:42:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 04:42:27,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-12-09 04:42:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:42:27,745 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 04:42:27,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 04:42:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 04:42:27,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 04:42:27,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 04:42:27,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 04:42:28,336 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L81-2(lines 81 84) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-12-09 04:42:28,338 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L258 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse1 (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) (and (exists ((|v_ULTIMATE.start_floor_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_floor_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___signbit_float_~x) (= (_ bv0 32) .cse0)))) (= |ULTIMATE.start_floor_float_#res| .cse1) (= ULTIMATE.start_floor_float_~i0~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (_ +zero 8 24)) (= (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (bvadd ULTIMATE.start_floor_float_~j0~0 (_ bv127 32))))) (= ~huge_floor~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((|v_ULTIMATE.start_floor_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_floor_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= (_ bv0 32) .cse2) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12| (= .cse1 ULTIMATE.start_floor_float_~x))) [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L265 CegarLoopResult]: At program point L86(lines 70 87) the Hoare annotation is: true [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2020-12-09 04:42:28,339 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L258 CegarLoopResult]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse1 (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) (and (exists ((|v_ULTIMATE.start_floor_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_floor_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___signbit_float_~x) (= (_ bv0 32) .cse0)))) (= |ULTIMATE.start_floor_float_#res| .cse1) (= ULTIMATE.start_floor_float_~i0~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= .cse1 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (_ +zero 8 24)) (= (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (bvadd ULTIMATE.start_floor_float_~j0~0 (_ bv127 32))))) (= ~huge_floor~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((|v_ULTIMATE.start_floor_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_floor_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= (_ bv0 32) .cse2) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short12| (= .cse1 ULTIMATE.start_floor_float_~x))) [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L258 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (= ULTIMATE.start_floor_float_~i0~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (_ +zero 8 24)) (= (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (bvadd ULTIMATE.start_floor_float_~j0~0 (_ bv127 32))))) (exists ((|v_ULTIMATE.start_floor_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_floor_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= |ULTIMATE.start_floor_float_#res| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (_ bv0 32) .cse0)))) (= ~huge_floor~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) ULTIMATE.start_floor_float_~x)) [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L258 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ~huge_floor~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) ULTIMATE.start_floor_float_~x)) [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-12-09 04:42:28,340 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-12-09 04:42:28,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:42:28 BoogieIcfgContainer [2020-12-09 04:42:28,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:42:28,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:42:28,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:42:28,365 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:42:28,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:42:25" (3/4) ... [2020-12-09 04:42:28,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 04:42:28,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 04:42:28,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 04:42:28,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:42:28,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:42:28,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((i0 == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: \result == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32])) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x [2020-12-09 04:42:28,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == x && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32]) && \result == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && i0 == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x [2020-12-09 04:42:28,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == x && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32]) && \result == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && i0 == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x [2020-12-09 04:42:28,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_41220d97-879b-4739-adcb-4cbe4eb5a108/bin/utaipan/witness.graphml [2020-12-09 04:42:28,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:42:28,408 INFO L168 Benchmark]: Toolchain (without parser) took 4201.80 ms. Allocated memory was 56.6 MB in the beginning and 88.1 MB in the end (delta: 31.5 MB). Free memory was 36.0 MB in the beginning and 57.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,408 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:42:28,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.07 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 39.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:42:28,409 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 36.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,409 INFO L168 Benchmark]: RCFGBuilder took 663.74 ms. Allocated memory was 56.6 MB in the beginning and 88.1 MB in the end (delta: 31.5 MB). Free memory was 36.2 MB in the beginning and 64.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,410 INFO L168 Benchmark]: TraceAbstraction took 3227.45 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 60.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,410 INFO L168 Benchmark]: Witness Printer took 41.66 ms. Allocated memory is still 88.1 MB. Free memory was 60.4 MB in the beginning and 57.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:42:28,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 195.07 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 39.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.14 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 36.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 663.74 ms. Allocated memory was 56.6 MB in the beginning and 88.1 MB in the end (delta: 31.5 MB). Free memory was 36.2 MB in the beginning and 64.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3227.45 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 60.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * Witness Printer took 41.66 ms. Allocated memory is still 88.1 MB. Free memory was 60.4 MB in the beginning and 57.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant [2020-12-09 04:42:28,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x - InvariantResult [Line: 61]: Loop Invariant [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((((((((\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == x && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32]) && \result == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && i0 == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2020-12-09 04:42:28,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((((i0 == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: \result == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32])) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x - InvariantResult [Line: 58]: Loop Invariant [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-12-09 04:42:28,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 04:42:28,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((((((((((\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == x && 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32]) && \result == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && i0 == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32) == ~bvadd64(j0, 127bv32))) && huge_floor == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists v_ULTIMATE.start_floor_float_~#sf_u~0.base_6 : bv32 :: 0bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 138 SDslu, 89 SDs, 0 SdLazy, 81 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 317 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 195 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 6 QuantifiedInterpolants, 6069 SizeOfPredicates, 27 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...