./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.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/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................ 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/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:48:40,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:48:40,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:48:40,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:48:40,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:48:40,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:48:40,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:48:40,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:48:40,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:48:40,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:48:40,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:48:40,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:48:40,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:48:40,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:48:40,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:48:40,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:48:40,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:48:40,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:48:40,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:48:40,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:48:40,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:48:40,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:48:40,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:48:40,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:48:40,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:48:40,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:48:40,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:48:40,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:48:40,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:48:40,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:48:40,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:48:40,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:48:40,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:48:40,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:48:40,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:48:40,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:48:40,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:48:40,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:48:40,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:48:40,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:48:40,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:48:40,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:48:40,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:48:40,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:48:40,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:48:40,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:48:40,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:48:40,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:48:40,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:48:40,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:48:40,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:48:40,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:48:40,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:48:40,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:48:40,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:48:40,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:48:40,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:48:40,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:48:40,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:48:40,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:48:40,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:48:40,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:48:40,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:48:40,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:48:40,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:48:40,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer 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 -> Automizer 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-15 23:48:40,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:48:40,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:48:40,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:48:40,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:48:40,388 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:48:40,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-15 23:48:40,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/9839f658c/670cffdadee14faa8778a98c69616536/FLAGcf24e2bee [2019-11-15 23:48:40,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:48:40,837 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-15 23:48:40,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/9839f658c/670cffdadee14faa8778a98c69616536/FLAGcf24e2bee [2019-11-15 23:48:41,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/9839f658c/670cffdadee14faa8778a98c69616536 [2019-11-15 23:48:41,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:48:41,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:48:41,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:41,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:48:41,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:48:41,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd10c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41, skipping insertion in model container [2019-11-15 23:48:41,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,212 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:48:41,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:48:41,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:41,518 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:48:41,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:41,599 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:48:41,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41 WrapperNode [2019-11-15 23:48:41,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:41,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:41,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:48:41,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:48:41,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:41,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:48:41,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:48:41,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:48:41,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... [2019-11-15 23:48:41,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:48:41,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:48:41,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:48:41,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:48:41,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/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 [2019-11-15 23:48:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:48:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 23:48:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:48:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 23:48:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:48:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:48:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:48:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:48:42,319 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:48:42,319 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 23:48:42,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:42 BoogieIcfgContainer [2019-11-15 23:48:42,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:48:42,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:48:42,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:48:42,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:48:42,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:48:41" (1/3) ... [2019-11-15 23:48:42,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7a3026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:42, skipping insertion in model container [2019-11-15 23:48:42,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:41" (2/3) ... [2019-11-15 23:48:42,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7a3026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:42, skipping insertion in model container [2019-11-15 23:48:42,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:42" (3/3) ... [2019-11-15 23:48:42,328 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-15 23:48:42,337 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:48:42,345 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:48:42,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:48:42,379 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:48:42,379 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:48:42,379 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:48:42,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:48:42,380 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:48:42,380 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:48:42,380 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:48:42,380 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:48:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-15 23:48:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:48:42,404 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:42,404 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:42,406 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:42,412 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-15 23:48:42,420 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:42,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845787484] [2019-11-15 23:48:42,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:42,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:42,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:42,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845787484] [2019-11-15 23:48:42,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:42,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:48:42,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348695549] [2019-11-15 23:48:42,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:48:42,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:42,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:48:42,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:48:42,547 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-15 23:48:42,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:42,566 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-15 23:48:42,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:48:42,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 23:48:42,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:42,576 INFO L225 Difference]: With dead ends: 113 [2019-11-15 23:48:42,576 INFO L226 Difference]: Without dead ends: 54 [2019-11-15 23:48:42,579 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 [2019-11-15 23:48:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-15 23:48:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-15 23:48:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-15 23:48:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-15 23:48:42,618 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-15 23:48:42,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:42,618 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-15 23:48:42,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:48:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-15 23:48:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:48:42,619 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:42,619 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:42,620 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:42,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:42,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-15 23:48:42,620 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:42,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129614642] [2019-11-15 23:48:42,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:42,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:42,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:48:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:48:42,709 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:48:42,710 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:48:42,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:48:42 BoogieIcfgContainer [2019-11-15 23:48:42,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:48:42,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:48:42,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:48:42,743 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:48:42,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:42" (3/4) ... [2019-11-15 23:48:42,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:48:42,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:48:42,749 INFO L168 Benchmark]: Toolchain (without parser) took 1553.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,750 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:48:42,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.20 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,752 INFO L168 Benchmark]: Boogie Preprocessor took 48.91 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,752 INFO L168 Benchmark]: RCFGBuilder took 614.89 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,753 INFO L168 Benchmark]: TraceAbstraction took 421.52 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:48:42,754 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:48:42,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.20 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.91 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.89 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 421.52 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L188] float res = __ieee754_asinf(x); [L13] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 76 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=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 [2019-11-15 23:48:45,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:48:45,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:48:45,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:48:45,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:48:45,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:48:45,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:48:45,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:48:45,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:48:45,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:48:45,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:48:45,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:48:45,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:48:45,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:48:45,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:48:45,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:48:45,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:48:45,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:48:45,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:48:45,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:48:45,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:48:45,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:48:45,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:48:45,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:48:45,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:48:45,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:48:45,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:48:45,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:48:45,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:48:45,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:48:45,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:48:45,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:48:45,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:48:45,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:48:45,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:48:45,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:48:45,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:48:45,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:48:45,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:48:45,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:48:45,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:48:45,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:48:45,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:48:45,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:48:45,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:48:45,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:48:45,301 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:48:45,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:48:45,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:48:45,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:48:45,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:48:45,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:48:45,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:48:45,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:48:45,303 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:48:45,303 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:48:45,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:48:45,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:48:45,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:48:45,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:48:45,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:48:45,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:48:45,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:48:45,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:48:45,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:48:45,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:48:45,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:48:45,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:48:45,306 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:48:45,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:48:45,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:48:45,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:48:45,306 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/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer 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 -> Automizer 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-15 23:48:45,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:48:45,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:48:45,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:48:45,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:48:45,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:48:45,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-15 23:48:45,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/ab89e93a9/44cec69dd4dc45c09a74621a4d023386/FLAGe621da000 [2019-11-15 23:48:45,862 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:48:45,863 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-15 23:48:45,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/ab89e93a9/44cec69dd4dc45c09a74621a4d023386/FLAGe621da000 [2019-11-15 23:48:46,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/data/ab89e93a9/44cec69dd4dc45c09a74621a4d023386 [2019-11-15 23:48:46,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:48:46,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:48:46,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:46,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:48:46,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:48:46,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b90b309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46, skipping insertion in model container [2019-11-15 23:48:46,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,272 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:48:46,297 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:48:46,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:46,586 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:48:46,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:46,740 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:48:46,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46 WrapperNode [2019-11-15 23:48:46,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:46,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:46,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:48:46,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:48:46,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:46,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:48:46,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:48:46,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:48:46,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... [2019-11-15 23:48:46,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:48:46,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:48:46,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:48:46,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:48:46,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/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 [2019-11-15 23:48:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:48:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 23:48:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:48:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:48:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:48:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 23:48:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:48:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:48:56,816 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:48:56,816 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 23:48:56,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:56 BoogieIcfgContainer [2019-11-15 23:48:56,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:48:56,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:48:56,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:48:56,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:48:56,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:48:46" (1/3) ... [2019-11-15 23:48:56,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27beab87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:56, skipping insertion in model container [2019-11-15 23:48:56,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:46" (2/3) ... [2019-11-15 23:48:56,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27beab87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:56, skipping insertion in model container [2019-11-15 23:48:56,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:56" (3/3) ... [2019-11-15 23:48:56,830 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-15 23:48:56,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:48:56,847 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:48:56,858 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:48:56,879 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:48:56,880 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:48:56,880 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:48:56,880 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:48:56,880 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:48:56,881 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:48:56,881 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:48:56,881 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:48:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-15 23:48:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:48:56,902 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:56,903 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:56,905 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:56,910 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-15 23:48:56,918 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:48:56,918 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376156272] [2019-11-15 23:48:56,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/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 [2019-11-15 23:48:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:57,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:48:57,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:48:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:57,171 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:48:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:57,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376156272] [2019-11-15 23:48:57,181 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:57,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:48:57,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346883339] [2019-11-15 23:48:57,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:48:57,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:48:57,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:48:57,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:48:57,197 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-15 23:48:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:57,221 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-15 23:48:57,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:48:57,222 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 23:48:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:57,234 INFO L225 Difference]: With dead ends: 113 [2019-11-15 23:48:57,234 INFO L226 Difference]: Without dead ends: 54 [2019-11-15 23:48:57,237 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 [2019-11-15 23:48:57,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-15 23:48:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-15 23:48:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-15 23:48:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-15 23:48:57,274 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-15 23:48:57,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:57,275 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-15 23:48:57,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:48:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-15 23:48:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:48:57,276 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:57,276 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:57,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:48:57,494 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:57,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:57,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-15 23:48:57,495 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:48:57,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146043625] [2019-11-15 23:48:57,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/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 [2019-11-15 23:48:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:57,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:48:57,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:48:57,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:48:59,864 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-11-15 23:48:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:59,873 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:48:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:59,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146043625] [2019-11-15 23:48:59,969 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:59,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 23:48:59,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609560532] [2019-11-15 23:48:59,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:48:59,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:48:59,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:48:59,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:48:59,972 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 8 states. [2019-11-15 23:49:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:00,418 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-11-15 23:49:00,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:49:00,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-15 23:49:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:00,420 INFO L225 Difference]: With dead ends: 59 [2019-11-15 23:49:00,420 INFO L226 Difference]: Without dead ends: 13 [2019-11-15 23:49:00,421 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:49:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-15 23:49:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-15 23:49:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-15 23:49:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-15 23:49:00,425 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-11-15 23:49:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:00,425 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-15 23:49:00,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:49:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-15 23:49:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 23:49:00,426 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:00,426 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:49:00,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 23:49:00,641 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2019-11-15 23:49:00,642 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:49:00,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969522311] [2019-11-15 23:49:00,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/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 [2019-11-15 23:49:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:00,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 23:49:00,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:02,434 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-15 23:49:02,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:49:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:49:04,040 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:49:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:49:05,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969522311] [2019-11-15 23:49:05,935 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:49:05,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 23:49:05,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803278415] [2019-11-15 23:49:05,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:49:05,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:49:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:49:05,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:05,937 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 8 states. [2019-11-15 23:49:09,041 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2019-11-15 23:49:10,101 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2019-11-15 23:49:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:10,102 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-15 23:49:10,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:49:10,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-15 23:49:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:10,103 INFO L225 Difference]: With dead ends: 13 [2019-11-15 23:49:10,103 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:49:10,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:49:10,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:49:10,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:49:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:49:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:49:10,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-15 23:49:10,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:10,105 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:10,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:49:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:49:10,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:49:10,306 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 23:49:10,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:49:10,502 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-15 23:49:10,502 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-15 23:49:10,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L439 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2019-11-15 23:49:10,503 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L443 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L443 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L439 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2019-11-15 23:49:10,504 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-15 23:49:10,504 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-15 23:49:10,505 INFO L439 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2019-11-15 23:49:10,505 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-15 23:49:10,506 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-15 23:49:10,506 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2019-11-15 23:49:10,506 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2019-11-15 23:49:10,506 INFO L439 ceAbstractionStarter]: At program point L173(lines 108 174) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse0 (fp.neg .cse1))) (and (or (fp.lt ULTIMATE.start___ieee754_asinf_~x .cse0) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse1)) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (or (fp.gt .cse2 .cse1) (fp.lt .cse2 .cse0)))))) [2019-11-15 23:49:10,506 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 194) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L439 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-15 23:49:10,507 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L439 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg .cse0)) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse0))) [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-15 23:49:10,508 INFO L443 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-11-15 23:49:10,509 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-15 23:49:10,509 INFO L439 ceAbstractionStarter]: At program point L95(lines 83 96) the Hoare annotation is: false [2019-11-15 23:49:10,509 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-15 23:49:10,509 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse0 (fp.neg .cse1))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (or (fp.lt ULTIMATE.start___ieee754_asinf_~x .cse0) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse1)) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (or (fp.gt .cse2 .cse1) (fp.lt .cse2 .cse0)))))) [2019-11-15 23:49:10,512 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-15 23:49:10,512 INFO L439 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-15 23:49:10,512 INFO L446 ceAbstractionStarter]: At program point L197(lines 176 198) the Hoare annotation is: true [2019-11-15 23:49:10,512 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-15 23:49:10,512 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2019-11-15 23:49:10,513 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-15 23:49:10,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,539 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:49:10 BoogieIcfgContainer [2019-11-15 23:49:10,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:49:10,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:49:10,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:49:10,556 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:49:10,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:56" (3/4) ... [2019-11-15 23:49:10,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:49:10,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-15 23:49:10,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 23:49:10,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-11-15 23:49:10,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && (~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-11-15 23:49:10,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3482e805-0d87-4d9a-b3dd-52a3db25c849/bin/uautomizer/witness.graphml [2019-11-15 23:49:10,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:49:10,643 INFO L168 Benchmark]: Toolchain (without parser) took 24387.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 951.0 MB in the beginning and 918.1 MB in the end (delta: 32.9 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:10,644 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:10,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:10,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:10,645 INFO L168 Benchmark]: Boogie Preprocessor took 47.75 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. [2019-11-15 23:49:10,646 INFO L168 Benchmark]: RCFGBuilder took 9966.51 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:10,646 INFO L168 Benchmark]: TraceAbstraction took 13736.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.9 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:10,646 INFO L168 Benchmark]: Witness Printer took 86.31 ms. Allocated memory is still 1.1 GB. Free memory is still 924.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:10,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 483.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.75 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 9966.51 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13736.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.9 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. * Witness Printer took 86.31 ms. Allocated memory is still 1.1 GB. Free memory is still 924.9 MB. There was no memory consumed. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-11-15 23:49:10,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 13]: Loop Invariant [2019-11-15 23:49:10,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 23:49:10,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((1bv32 == \result && (~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 111]: Loop Invariant [2019-11-15 23:49:10,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:49:10,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: SAFE, OverallTime: 13.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 92 SDtfs, 38 SDslu, 45 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 142 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 3 QuantifiedInterpolants, 1979 SizeOfPredicates, 14 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...