./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a08e98589992bcd32695ff0fd47c826511b7c0fa ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a08e98589992bcd32695ff0fd47c826511b7c0fa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:13,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:13,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:13,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:13,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:13,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:13,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:13,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:13,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:13,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:13,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:13,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:13,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:13,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:13,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:13,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:13,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:13,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:13,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:13,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:13,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:13,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:13,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:13,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:13,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:13,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:13,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:13,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:13,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:13,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:13,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:13,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:13,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:13,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:13,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:13,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:13,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:13,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:13,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:13,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:13,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:13,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:13,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:13,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:13,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:13,243 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:13,243 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:13,243 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:13,243 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:13,243 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:13,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:13,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:13,244 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:13,244 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:13,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:13,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:13,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:13,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:13,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:13,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:13,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:13,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:13,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:13,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:13,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:13,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:13,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:13,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:13,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:13,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:13,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:13,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:13,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:13,249 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:13,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:13,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:13,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:13,250 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-10-22 11:26:13,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:13,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:13,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:13,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:13,294 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:13,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-10-22 11:26:13,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/9a9753efd/e37602d38a8b43559b213cd83cac62aa/FLAG4a64e2108 [2019-10-22 11:26:13,788 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:13,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-10-22 11:26:13,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/9a9753efd/e37602d38a8b43559b213cd83cac62aa/FLAG4a64e2108 [2019-10-22 11:26:14,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/9a9753efd/e37602d38a8b43559b213cd83cac62aa [2019-10-22 11:26:14,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:14,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:14,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:14,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:14,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:14,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c50c72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14, skipping insertion in model container [2019-10-22 11:26:14,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:14,159 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:14,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:14,395 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:14,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:14,473 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:14,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14 WrapperNode [2019-10-22 11:26:14,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:14,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:14,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:14,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:14,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:14,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:14,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:14,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:14,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... [2019-10-22 11:26:14,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:14,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:14,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:14,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:14,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:26:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:26:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 11:26:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:15,311 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:15,312 INFO L284 CfgBuilder]: Removed 40 assume(true) statements. [2019-10-22 11:26:15,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:15 BoogieIcfgContainer [2019-10-22 11:26:15,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:15,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:15,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:15,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:15,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:14" (1/3) ... [2019-10-22 11:26:15,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5b8057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:15, skipping insertion in model container [2019-10-22 11:26:15,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:14" (2/3) ... [2019-10-22 11:26:15,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5b8057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:15, skipping insertion in model container [2019-10-22 11:26:15,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:15" (3/3) ... [2019-10-22 11:26:15,326 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2019-10-22 11:26:15,336 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:15,343 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:15,357 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:15,379 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:15,379 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:15,379 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:15,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:15,380 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:15,380 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:15,380 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:15,380 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-10-22 11:26:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:26:15,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:15,404 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:15,408 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:15,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:15,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-10-22 11:26:15,423 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:15,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723847501] [2019-10-22 11:26:15,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:15,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:15,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:15,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723847501] [2019-10-22 11:26:15,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:15,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:15,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799491928] [2019-10-22 11:26:15,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:15,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:15,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:15,554 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-10-22 11:26:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:15,581 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-10-22 11:26:15,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:15,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 11:26:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:15,592 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:26:15,592 INFO L226 Difference]: Without dead ends: 106 [2019-10-22 11:26:15,595 INFO L600 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 [2019-10-22 11:26:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-22 11:26:15,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-22 11:26:15,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 11:26:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-10-22 11:26:15,633 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-10-22 11:26:15,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:15,633 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-10-22 11:26:15,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-10-22 11:26:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:26:15,634 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:15,634 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:15,634 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:15,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-10-22 11:26:15,635 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:15,635 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258268376] [2019-10-22 11:26:15,635 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:15,636 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:15,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:15,833 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:15,833 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:15,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:15 BoogieIcfgContainer [2019-10-22 11:26:15,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:15,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:15,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:15,867 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:15,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:15" (3/4) ... [2019-10-22 11:26:15,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:26:15,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:15,874 INFO L168 Benchmark]: Toolchain (without parser) took 1749.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -64.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:15,875 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:15,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:15,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:15,876 INFO L168 Benchmark]: Boogie Preprocessor took 74.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:15,876 INFO L168 Benchmark]: RCFGBuilder took 689.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:15,877 INFO L168 Benchmark]: TraceAbstraction took 552.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:15,878 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:15,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 689.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 552.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 221, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] float x = -0.0f; [L222] float y = -0.0f; [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != -pi VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 157 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=109occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, 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 0.1.24-cad4683 [2019-10-22 11:26:18,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:18,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:18,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:18,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:18,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:18,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:18,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:18,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:18,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:18,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:18,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:18,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:18,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:18,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:18,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:18,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:18,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:18,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:18,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:18,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:18,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:18,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:18,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:18,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:18,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:18,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:18,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:18,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:18,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:18,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:18,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:18,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:18,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:18,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:18,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:18,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:18,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:18,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:18,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:18,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:18,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:18,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:18,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:18,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:18,201 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:18,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:18,202 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:18,202 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:18,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:18,202 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:18,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:18,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:18,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:18,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:18,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:18,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:18,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:18,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:18,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:18,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:18,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:18,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:18,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:18,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:18,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:18,208 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-10-22 11:26:18,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:18,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:18,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:18,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:18,259 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:18,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-10-22 11:26:18,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/3a72bbe3a/66a9530b290941dd97976819cfc522dc/FLAG0640e4c09 [2019-10-22 11:26:18,701 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:18,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-10-22 11:26:18,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/3a72bbe3a/66a9530b290941dd97976819cfc522dc/FLAG0640e4c09 [2019-10-22 11:26:18,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/data/3a72bbe3a/66a9530b290941dd97976819cfc522dc [2019-10-22 11:26:18,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:18,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:18,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:18,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:18,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:18,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef1c1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18, skipping insertion in model container [2019-10-22 11:26:18,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:18,760 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:18,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:18,972 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:19,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:19,141 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:19,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19 WrapperNode [2019-10-22 11:26:19,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:19,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:19,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:19,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:19,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:19,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:19,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:19,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:19,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... [2019-10-22 11:26:19,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:19,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:19,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:19,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:19,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-10-22 11:26:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 11:26:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:26:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 11:26:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:26:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:36,817 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:36,817 INFO L284 CfgBuilder]: Removed 40 assume(true) statements. [2019-10-22 11:26:36,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36 BoogieIcfgContainer [2019-10-22 11:26:36,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:36,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:36,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:36,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:36,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:18" (1/3) ... [2019-10-22 11:26:36,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adb1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:36, skipping insertion in model container [2019-10-22 11:26:36,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:19" (2/3) ... [2019-10-22 11:26:36,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adb1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:36, skipping insertion in model container [2019-10-22 11:26:36,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36" (3/3) ... [2019-10-22 11:26:36,828 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2019-10-22 11:26:36,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:36,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:36,854 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:36,879 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:36,879 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:36,880 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:36,880 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:36,880 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:36,880 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:36,880 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:36,880 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-10-22 11:26:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:26:36,904 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:36,905 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:36,907 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:36,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:36,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-10-22 11:26:36,925 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:36,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020263911] [2019-10-22 11:26:36,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:26:37,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:37,111 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:37,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020263911] [2019-10-22 11:26:37,117 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:37,117 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:26:37,117 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619988326] [2019-10-22 11:26:37,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:37,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:37,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:37,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:37,139 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-10-22 11:26:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:37,171 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-10-22 11:26:37,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:37,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 11:26:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:37,188 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:26:37,189 INFO L226 Difference]: Without dead ends: 106 [2019-10-22 11:26:37,192 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:37,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-22 11:26:37,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-22 11:26:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 11:26:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-10-22 11:26:37,240 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-10-22 11:26:37,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:37,240 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-10-22 11:26:37,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-10-22 11:26:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:26:37,241 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:37,241 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:37,442 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:26:37,442 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:37,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:37,443 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-10-22 11:26:37,443 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:37,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327722568] [2019-10-22 11:26:37,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:37,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-22 11:26:37,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:37,755 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:37,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:37,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:38,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327722568] [2019-10-22 11:26:38,073 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:38,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-10-22 11:26:38,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541907856] [2019-10-22 11:26:38,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 11:26:38,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:38,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 11:26:38,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:26:38,076 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 12 states. [2019-10-22 11:26:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:38,356 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2019-10-22 11:26:38,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:38,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-10-22 11:26:38,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:38,362 INFO L225 Difference]: With dead ends: 113 [2019-10-22 11:26:38,362 INFO L226 Difference]: Without dead ends: 24 [2019-10-22 11:26:38,363 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:26:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-10-22 11:26:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-10-22 11:26:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-22 11:26:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-10-22 11:26:38,367 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2019-10-22 11:26:38,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:38,368 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-10-22 11:26:38,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 11:26:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-10-22 11:26:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:38,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:38,369 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:38,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:26:38,570 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:38,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:38,570 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2019-10-22 11:26:38,571 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:38,571 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480244289] [2019-10-22 11:26:38,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:38,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:26:38,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:38,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:38,815 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:38,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:38,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480244289] [2019-10-22 11:26:38,918 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:38,918 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-10-22 11:26:38,918 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812640601] [2019-10-22 11:26:38,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:26:38,919 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:38,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:26:38,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:38,920 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2019-10-22 11:26:39,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:39,166 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2019-10-22 11:26:39,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:39,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-10-22 11:26:39,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:39,169 INFO L225 Difference]: With dead ends: 36 [2019-10-22 11:26:39,169 INFO L226 Difference]: Without dead ends: 24 [2019-10-22 11:26:39,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:26:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-10-22 11:26:39,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-10-22 11:26:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-22 11:26:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-10-22 11:26:39,173 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2019-10-22 11:26:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:39,173 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-10-22 11:26:39,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:26:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-10-22 11:26:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:26:39,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:39,175 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:39,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:26:39,375 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:39,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2019-10-22 11:26:39,376 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:39,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978854002] [2019-10-22 11:26:39,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:39,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-22 11:26:39,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:39,781 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:39,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:39,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:39,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:39,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:39,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:39,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:39,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:39,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:40,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:40,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978854002] [2019-10-22 11:26:40,260 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:40,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2019-10-22 11:26:40,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723590317] [2019-10-22 11:26:40,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 11:26:40,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:40,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 11:26:40,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:26:40,262 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 14 states. [2019-10-22 11:26:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:40,677 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-10-22 11:26:40,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:40,681 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-10-22 11:26:40,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:40,682 INFO L225 Difference]: With dead ends: 28 [2019-10-22 11:26:40,682 INFO L226 Difference]: Without dead ends: 24 [2019-10-22 11:26:40,682 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-10-22 11:26:40,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-10-22 11:26:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-10-22 11:26:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-22 11:26:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-10-22 11:26:40,686 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2019-10-22 11:26:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:40,686 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-10-22 11:26:40,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 11:26:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-10-22 11:26:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:26:40,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:40,687 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:40,887 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 11:26:40,888 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:40,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:40,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2019-10-22 11:26:40,888 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:40,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714721974] [2019-10-22 11:26:40,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:41,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:26:41,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:41,172 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-10-22 11:26:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,236 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:41,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714721974] [2019-10-22 11:26:41,653 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:41,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-10-22 11:26:41,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926233401] [2019-10-22 11:26:41,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:26:41,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:41,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:26:41,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:41,655 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 8 states. [2019-10-22 11:26:41,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:41,992 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-10-22 11:26:41,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:41,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-10-22 11:26:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:41,993 INFO L225 Difference]: With dead ends: 28 [2019-10-22 11:26:41,993 INFO L226 Difference]: Without dead ends: 24 [2019-10-22 11:26:41,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-10-22 11:26:41,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-10-22 11:26:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-22 11:26:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-10-22 11:26:41,997 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2019-10-22 11:26:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:41,997 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-10-22 11:26:41,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:26:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-10-22 11:26:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:26:41,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:41,998 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:42,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 11:26:42,199 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:42,199 INFO L82 PathProgramCache]: Analyzing trace with hash -984474140, now seen corresponding path program 1 times [2019-10-22 11:26:42,200 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:26:42,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402027845] [2019-10-22 11:26:42,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-10-22 11:26:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:42,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-22 11:26:42,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:42,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,460 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:42,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:42,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402027845] [2019-10-22 11:26:42,572 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:42,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-10-22 11:26:42,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911701077] [2019-10-22 11:26:42,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:26:42,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:26:42,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:26:42,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:26:42,574 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 11 states. [2019-10-22 11:26:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:42,805 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-10-22 11:26:42,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:42,805 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-10-22 11:26:42,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:42,806 INFO L225 Difference]: With dead ends: 24 [2019-10-22 11:26:42,806 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:42,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:26:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:42,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 11:26:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:42,807 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:42,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:26:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:42,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:43,008 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-10-22 11:26:43,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:43,391 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-10-22 11:26:43,407 INFO L439 ceAbstractionStarter]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) .cse1)) (= .cse1 ~tiny_atan2~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (let ((.cse2 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse2) (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32)))))))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))) [2019-10-22 11:26:43,407 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,407 INFO L443 ceAbstractionStarter]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-10-22 11:26:43,407 INFO L443 ceAbstractionStarter]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-10-22 11:26:43,408 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-10-22 11:26:43,409 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L443 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-10-22 11:26:43,410 INFO L439 ceAbstractionStarter]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L439 ceAbstractionStarter]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-10-22 11:26:43,411 INFO L439 ceAbstractionStarter]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L439 ceAbstractionStarter]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-10-22 11:26:43,412 INFO L439 ceAbstractionStarter]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-10-22 11:26:43,412 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-10-22 11:26:43,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:43,413 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-10-22 11:26:43,414 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-10-22 11:26:43,415 INFO L443 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L439 ceAbstractionStarter]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L439 ceAbstractionStarter]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-10-22 11:26:43,416 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:26:43,417 INFO L439 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))))) [2019-10-22 11:26:43,417 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-10-22 11:26:43,417 INFO L443 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:26:43,417 INFO L443 ceAbstractionStarter]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L439 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L439 ceAbstractionStarter]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L439 ceAbstractionStarter]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-10-22 11:26:43,418 INFO L443 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-10-22 11:26:43,418 INFO L439 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-10-22 11:26:43,419 INFO L446 ceAbstractionStarter]: At program point L232(lines 214 233) the Hoare annotation is: true [2019-10-22 11:26:43,419 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-10-22 11:26:43,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:43 BoogieIcfgContainer [2019-10-22 11:26:43,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:43,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:43,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:43,453 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:43,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:36" (3/4) ... [2019-10-22 11:26:43,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:43,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-10-22 11:26:43,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:26:43,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1)) [2019-10-22 11:26:43,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1)) [2019-10-22 11:26:43,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2dc27817-c23c-4952-8411-a81fbc0dfdd4/bin/utaipan/witness.graphml [2019-10-22 11:26:43,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:43,552 INFO L168 Benchmark]: Toolchain (without parser) took 24828.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,552 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:43,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,553 INFO L168 Benchmark]: Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,554 INFO L168 Benchmark]: RCFGBuilder took 17538.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,554 INFO L168 Benchmark]: TraceAbstraction took 6632.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,554 INFO L168 Benchmark]: Witness Printer took 98.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:43,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17538.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6632.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Witness Printer took 98.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-10-22 11:26:43,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-10-22 11:26:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-10-22 11:26:43,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-10-22 11:26:43,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1)) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-10-22 11:26:43,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 11:26:43,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)) == tiny_atan2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 230 SDtfs, 366 SDslu, 142 SDs, 0 SdLazy, 155 SolverSat, 35 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 208 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 34 QuantifiedInterpolants, 41340 SizeOfPredicates, 47 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...