./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_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI --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_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI --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 [2021-10-11 02:31:11,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:11,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:11,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:11,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:11,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:11,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:11,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:11,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:11,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:11,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:11,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:11,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:11,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:11,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:11,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:11,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:11,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:11,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:11,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:11,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:11,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:11,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:11,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:11,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:11,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:11,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:11,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:11,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:11,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:11,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:11,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:11,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:11,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:11,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:11,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:11,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:11,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:11,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:11,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:11,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:11,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:11,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:11,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:11,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:11,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:11,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:11,201 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:11,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:11,201 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:11,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:11,202 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:11,202 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:11,202 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:11,202 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:11,202 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:11,203 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:11,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:11,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:11,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:11,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:11,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:11,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:11,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:11,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:11,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:11,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:11,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:11,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:11,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:11,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:11,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:11,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:11,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:11,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:11,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:11,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:11,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:11,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:11,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:11,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:11,214 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_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce759125498379becdf6ed11008c618e3f1de4d5 [2021-10-11 02:31:11,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:11,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:11,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:11,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:11,517 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:11,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2021-10-11 02:31:11,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/d0760bfe9/b14033f93cd543b3b5eacd6aca4ec44e/FLAG6d11489f0 [2021-10-11 02:31:12,086 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:12,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2021-10-11 02:31:12,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/d0760bfe9/b14033f93cd543b3b5eacd6aca4ec44e/FLAG6d11489f0 [2021-10-11 02:31:12,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/d0760bfe9/b14033f93cd543b3b5eacd6aca4ec44e [2021-10-11 02:31:12,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:12,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:12,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:12,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:12,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:12,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f650520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12, skipping insertion in model container [2021-10-11 02:31:12,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:12,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:12,738 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2021-10-11 02:31:12,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,765 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:12,788 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2021-10-11 02:31:12,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,803 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:12,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12 WrapperNode [2021-10-11 02:31:12,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:12,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:12,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:12,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:12,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:12,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:12,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:12,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:12,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:31:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:31:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:31:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:31:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:31:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:13,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:13,631 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 02:31:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:13 BoogieIcfgContainer [2021-10-11 02:31:13,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:13,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:13,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:13,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:13,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:12" (1/3) ... [2021-10-11 02:31:13,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9866d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:13, skipping insertion in model container [2021-10-11 02:31:13,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (2/3) ... [2021-10-11 02:31:13,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9866d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:13, skipping insertion in model container [2021-10-11 02:31:13,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:13" (3/3) ... [2021-10-11 02:31:13,643 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2021-10-11 02:31:13,658 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:13,661 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:31:13,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:31:13,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:13,694 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:13,694 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:13,694 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:13,694 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:13,695 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:13,695 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:13,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-10-11 02:31:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:31:13,714 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:13,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:13,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:13,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:13,722 INFO L82 PathProgramCache]: Analyzing trace with hash -689913283, now seen corresponding path program 1 times [2021-10-11 02:31:13,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:13,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258908226] [2021-10-11 02:31:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:13,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258908226] [2021-10-11 02:31:13,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:13,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:13,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699334066] [2021-10-11 02:31:13,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:13,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:31:13,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:13,895 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2021-10-11 02:31:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:13,911 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2021-10-11 02:31:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:13,912 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 02:31:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:13,920 INFO L225 Difference]: With dead ends: 39 [2021-10-11 02:31:13,920 INFO L226 Difference]: Without dead ends: 18 [2021-10-11 02:31:13,923 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 [2021-10-11 02:31:13,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-11 02:31:13,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-11 02:31:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 02:31:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-11 02:31:13,953 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 8 [2021-10-11 02:31:13,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:13,953 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-11 02:31:13,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-10-11 02:31:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:31:13,954 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:13,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:13,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:31:13,955 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:13,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:13,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1927745202, now seen corresponding path program 1 times [2021-10-11 02:31:13,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:13,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933421472] [2021-10-11 02:31:13,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:14,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:14,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:14,075 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:31:14,076 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:14,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:31:14,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:14 BoogieIcfgContainer [2021-10-11 02:31:14,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:14,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:14,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:14,103 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:14,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:13" (3/4) ... [2021-10-11 02:31:14,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:31:14,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:14,109 INFO L168 Benchmark]: Toolchain (without parser) took 1648.46 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 65.5 MB in the beginning and 64.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:14,109 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:14,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.63 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 69.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:14,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.37 ms. Allocated memory is still 94.4 MB. Free memory was 69.0 MB in the beginning and 67.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:14,112 INFO L168 Benchmark]: Boogie Preprocessor took 45.37 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 65.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:14,113 INFO L168 Benchmark]: RCFGBuilder took 740.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 65.8 MB in the beginning and 87.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:14,113 INFO L168 Benchmark]: TraceAbstraction took 466.38 ms. Allocated memory is still 113.2 MB. Free memory was 87.4 MB in the beginning and 64.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:14,114 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 113.2 MB. Free memory was 64.8 MB in the beginning and 64.3 MB in the end (delta: 575.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:14,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.63 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 69.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.37 ms. Allocated memory is still 94.4 MB. Free memory was 69.0 MB in the beginning and 67.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.37 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 65.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 740.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 65.8 MB in the beginning and 87.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 466.38 ms. Allocated memory is still 113.2 MB. Free memory was 87.4 MB in the beginning and 64.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.16 ms. Allocated memory is still 113.2 MB. Free memory was 64.8 MB in the beginning and 64.3 MB in the end (delta: 575.8 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: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:16,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:16,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:16,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:16,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:16,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:16,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:16,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:16,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:16,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:16,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:16,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:16,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:16,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:16,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:16,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:16,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:16,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:16,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:16,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:16,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:16,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:16,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:16,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:16,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:16,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:16,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:16,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:16,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:16,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:16,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:16,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:16,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:16,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:16,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:16,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:16,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:16,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:16,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:16,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:16,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:16,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:16,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:16,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:16,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:16,757 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:16,757 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:16,757 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:16,757 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:16,757 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:16,758 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:16,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:16,760 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:16,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:16,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:16,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:16,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:16,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:16,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:16,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:16,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:16,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:16,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:16,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:16,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:16,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:16,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:16,764 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:16,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:16,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:16,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:16,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:16,765 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_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce759125498379becdf6ed11008c618e3f1de4d5 [2021-10-11 02:31:17,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:17,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:17,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:17,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:17,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:17,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2021-10-11 02:31:17,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/82fd254d4/3ad45e7d64734c44aed4e6a657565ede/FLAGc02b103d0 [2021-10-11 02:31:17,863 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:17,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2021-10-11 02:31:17,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/82fd254d4/3ad45e7d64734c44aed4e6a657565ede/FLAGc02b103d0 [2021-10-11 02:31:18,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/data/82fd254d4/3ad45e7d64734c44aed4e6a657565ede [2021-10-11 02:31:18,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:18,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:18,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:18,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:18,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:18,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0dad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18, skipping insertion in model container [2021-10-11 02:31:18,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:18,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:18,432 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2021-10-11 02:31:18,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:18,448 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:18,475 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2021-10-11 02:31:18,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:18,518 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:18,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18 WrapperNode [2021-10-11 02:31:18,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:18,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:18,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:18,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:18,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:18,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:18,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:18,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:18,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... [2021-10-11 02:31:18,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:18,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:18,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:18,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:18,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 02:31:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:31:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 02:31:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:31:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:19,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:19,646 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 02:31:19,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:19 BoogieIcfgContainer [2021-10-11 02:31:19,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:19,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:19,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:19,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:19,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:18" (1/3) ... [2021-10-11 02:31:19,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e606b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:19, skipping insertion in model container [2021-10-11 02:31:19,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:18" (2/3) ... [2021-10-11 02:31:19,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e606b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:19, skipping insertion in model container [2021-10-11 02:31:19,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:19" (3/3) ... [2021-10-11 02:31:19,656 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2021-10-11 02:31:19,669 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:19,672 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:31:19,683 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:31:19,723 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:19,723 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:19,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:19,723 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:19,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:19,724 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:19,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:19,724 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-10-11 02:31:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:31:19,743 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:19,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:19,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:19,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2021-10-11 02:31:19,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:19,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060092481] [2021-10-11 02:31:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:19,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:19,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:19,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:19,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060092481] [2021-10-11 02:31:19,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:19,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:19,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491602654] [2021-10-11 02:31:19,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:19,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:19,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:19,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:19,985 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2021-10-11 02:31:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:20,003 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2021-10-11 02:31:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:20,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:31:20,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:20,021 INFO L225 Difference]: With dead ends: 58 [2021-10-11 02:31:20,022 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:31:20,024 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 [2021-10-11 02:31:20,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:31:20,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:31:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:31:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-11 02:31:20,056 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2021-10-11 02:31:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:20,056 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-11 02:31:20,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-11 02:31:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:31:20,057 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:20,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,265 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2021-10-11 02:31:20,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278995535] [2021-10-11 02:31:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:20,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:31:20,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:20,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:20,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278995535] [2021-10-11 02:31:20,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:20,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:20,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245638173] [2021-10-11 02:31:20,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:20,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:20,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:20,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:20,471 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2021-10-11 02:31:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:20,752 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-10-11 02:31:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:20,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:31:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:20,759 INFO L225 Difference]: With dead ends: 39 [2021-10-11 02:31:20,759 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 02:31:20,759 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 [2021-10-11 02:31:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 02:31:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 02:31:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 02:31:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-10-11 02:31:20,765 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2021-10-11 02:31:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:20,765 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-10-11 02:31:20,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-11 02:31:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 02:31:20,766 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:20,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,967 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2021-10-11 02:31:20,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189595838] [2021-10-11 02:31:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:21,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:21,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:21,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189595838] [2021-10-11 02:31:21,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:21,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:21,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324023751] [2021-10-11 02:31:21,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:21,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:21,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:21,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:21,194 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2021-10-11 02:31:21,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:21,245 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-11 02:31:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:21,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2021-10-11 02:31:21,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:21,246 INFO L225 Difference]: With dead ends: 33 [2021-10-11 02:31:21,246 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 02:31:21,247 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 [2021-10-11 02:31:21,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 02:31:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 02:31:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 02:31:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-11 02:31:21,251 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2021-10-11 02:31:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:21,252 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-11 02:31:21,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-11 02:31:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:21,252 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:21,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:21,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:21,470 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:21,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:21,470 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2021-10-11 02:31:21,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:21,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802241474] [2021-10-11 02:31:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:21,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:21,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:21,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:21,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802241474] [2021-10-11 02:31:21,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:21,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:31:21,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684250179] [2021-10-11 02:31:21,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:21,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:21,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:21,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:21,652 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2021-10-11 02:31:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:21,854 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-10-11 02:31:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:21,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2021-10-11 02:31:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:21,855 INFO L225 Difference]: With dead ends: 24 [2021-10-11 02:31:21,856 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 02:31:21,856 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 [2021-10-11 02:31:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 02:31:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 02:31:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 02:31:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-10-11 02:31:21,861 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2021-10-11 02:31:21,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:21,861 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-10-11 02:31:21,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-10-11 02:31:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:31:21,862 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:21,862 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] [2021-10-11 02:31:22,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:22,079 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:22,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:22,079 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2021-10-11 02:31:22,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:22,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516812552] [2021-10-11 02:31:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:22,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 02:31:22,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:22,293 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 [2021-10-11 02:31:22,294 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:31:22,304 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:31:22,306 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. [2021-10-11 02:31:22,307 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:29 [2021-10-11 02:31:22,495 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 [2021-10-11 02:31:22,496 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:31:22,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:31:22,500 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:31:22,500 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2021-10-11 02:31:22,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:31:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:22,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:22,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516812552] [2021-10-11 02:31:22,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:22,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-11 02:31:22,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098387429] [2021-10-11 02:31:22,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:31:22,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:22,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:31:22,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:31:22,613 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2021-10-11 02:31:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:23,152 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-10-11 02:31:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:31:23,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2021-10-11 02:31:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:23,154 INFO L225 Difference]: With dead ends: 21 [2021-10-11 02:31:23,154 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:23,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-11 02:31:23,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:23,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-11 02:31:23,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:23,155 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:23,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:31:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:23,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:23,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:23,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:23,647 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2021-10-11 02:31:23,755 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-10-11 02:31:23,954 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2021-10-11 02:31:23,957 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L81-2(lines 81 84) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-10-11 02:31:23,958 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-10-11 02:31:23,959 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))) [2021-10-11 02:31:23,959 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-10-11 02:31:23,959 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L265 CegarLoopResult]: At program point L86(lines 70 87) the Hoare annotation is: true [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-10-11 02:31:23,960 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-10-11 02:31:23,961 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-10-11 02:31:23,961 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-10-11 02:31:23,961 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))) [2021-10-11 02:31:23,961 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-10-11 02:31:23,962 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-10-11 02:31:23,962 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)) [2021-10-11 02:31:23,962 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-10-11 02:31:23,962 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)) [2021-10-11 02:31:23,962 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-10-11 02:31:23,963 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-11 02:31:23,963 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-10-11 02:31:23,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:23,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:23,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:23,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:23,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:23,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:23,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:24 BoogieIcfgContainer [2021-10-11 02:31:24,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:24,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:24,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:24,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:24,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:19" (3/4) ... [2021-10-11 02:31:24,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:24,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-11 02:31:24,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:31:24,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:24,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:24,084 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 [2021-10-11 02:31:24,085 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 [2021-10-11 02:31:24,085 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 [2021-10-11 02:31:24,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188398c6-c859-47b2-b78d-47a34b472725/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:24,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:24,107 INFO L168 Benchmark]: Toolchain (without parser) took 5866.00 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 40.5 MB in the beginning and 58.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,107 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:24,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.94 ms. Allocated memory is still 60.8 MB. Free memory was 40.4 MB in the beginning and 44.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.79 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 42.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,109 INFO L168 Benchmark]: Boogie Preprocessor took 49.32 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:24,109 INFO L168 Benchmark]: RCFGBuilder took 1025.45 ms. Allocated memory is still 60.8 MB. Free memory was 40.8 MB in the beginning and 41.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,110 INFO L168 Benchmark]: TraceAbstraction took 4383.67 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 41.4 MB in the beginning and 62.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,110 INFO L168 Benchmark]: Witness Printer took 72.28 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 58.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:24,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 277.94 ms. Allocated memory is still 60.8 MB. Free memory was 40.4 MB in the beginning and 44.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.79 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 42.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.32 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1025.45 ms. Allocated memory is still 60.8 MB. Free memory was 40.8 MB in the beginning and 41.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4383.67 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 41.4 MB in the beginning and 62.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * Witness Printer took 72.28 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 58.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 [2021-10-11 02:31:24,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,124 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 [2021-10-11 02:31:24,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,130 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 [2021-10-11 02:31:24,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,134 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 [2021-10-11 02:31:24,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:31:24,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 02:31:24,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 02:31:24,143 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: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 138 SDslu, 89 SDs, 0 SdLazy, 81 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s 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, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s 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...