./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 cbf38875841624eee0d839935b3b6d34a59b0b20 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 cbf38875841624eee0d839935b3b6d34a59b0b20 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:28:04,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:28:04,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:28:04,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:28:04,789 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:28:04,790 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:28:04,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:28:04,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:28:04,793 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:28:04,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:28:04,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:28:04,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:28:04,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:28:04,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:28:04,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:28:04,797 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:28:04,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:28:04,799 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:28:04,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:28:04,801 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:28:04,802 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:28:04,803 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:28:04,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:28:04,804 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:28:04,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:28:04,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:28:04,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:28:04,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:28:04,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:28:04,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:28:04,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:28:04,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:28:04,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:28:04,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:28:04,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:28:04,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:28:04,810 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 13:28:04,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:28:04,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:28:04,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:28:04,821 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:28:04,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:28:04,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:28:04,822 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:28:04,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:28:04,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:28:04,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:28:04,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:28:04,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:28:04,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:28:04,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:28:04,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:28:04,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:28:04,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:28:04,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:28:04,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:28:04,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:28:04,825 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:28:04,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:28:04,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:28:04,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-10 13:28:04,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:28:04,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:28:04,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:28:04,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:28:04,858 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:28:04,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:04,894 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/6dc99b3fe/2cd4ea14ef01469bb18d4654e5b00257/FLAG88aeb7f53 [2018-11-10 13:28:05,196 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:28:05,197 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:05,200 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/6dc99b3fe/2cd4ea14ef01469bb18d4654e5b00257/FLAG88aeb7f53 [2018-11-10 13:28:05,211 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/6dc99b3fe/2cd4ea14ef01469bb18d4654e5b00257 [2018-11-10 13:28:05,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:28:05,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 13:28:05,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:05,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:28:05,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:28:05,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3f9412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05, skipping insertion in model container [2018-11-10 13:28:05,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:28:05,248 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:28:05,381 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:05,384 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:28:05,397 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:05,409 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:28:05,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05 WrapperNode [2018-11-10 13:28:05,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:05,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:28:05,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:28:05,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:28:05,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... [2018-11-10 13:28:05,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:28:05,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:28:05,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:28:05,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:28:05,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 [2018-11-10 13:28:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:28:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:28:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 13:28:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 13:28:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:28:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 13:28:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 13:28:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:28:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:28:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:28:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 13:28:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 13:28:05,691 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:28:05,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:05 BoogieIcfgContainer [2018-11-10 13:28:05,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:28:05,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:28:05,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:28:05,694 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:28:05,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:28:05" (1/3) ... [2018-11-10 13:28:05,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9fafd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:28:05, skipping insertion in model container [2018-11-10 13:28:05,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:05" (2/3) ... [2018-11-10 13:28:05,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9fafd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:28:05, skipping insertion in model container [2018-11-10 13:28:05,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:05" (3/3) ... [2018-11-10 13:28:05,696 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:05,701 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:28:05,705 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:28:05,716 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:28:05,734 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:28:05,734 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:28:05,734 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:28:05,734 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:28:05,734 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:28:05,734 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:28:05,734 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:28:05,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:28:05,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:28:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-10 13:28:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 13:28:05,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:05,750 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:05,751 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:05,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:05,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1609911698, now seen corresponding path program 1 times [2018-11-10 13:28:05,755 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:28:05,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:28:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:05,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:05,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:28:05,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:28:05,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:28:05,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:28:05,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:28:05,850 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-10 13:28:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:28:05,864 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2018-11-10 13:28:05,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:28:05,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 13:28:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:28:05,870 INFO L225 Difference]: With dead ends: 108 [2018-11-10 13:28:05,871 INFO L226 Difference]: Without dead ends: 54 [2018-11-10 13:28:05,873 INFO L605 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 [2018-11-10 13:28:05,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-10 13:28:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-10 13:28:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-10 13:28:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-11-10 13:28:05,897 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 22 [2018-11-10 13:28:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:28:05,897 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-11-10 13:28:05,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:28:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-11-10 13:28:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 13:28:05,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:05,898 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:05,898 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:05,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:05,899 INFO L82 PathProgramCache]: Analyzing trace with hash 669796037, now seen corresponding path program 1 times [2018-11-10 13:28:05,899 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:28:05,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:28:05,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:05,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:05,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:05,980 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:28:05,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:28:05 BoogieIcfgContainer [2018-11-10 13:28:05,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:28:06,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:28:06,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:28:06,000 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:28:06,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:05" (3/4) ... [2018-11-10 13:28:06,003 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:28:06,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:28:06,004 INFO L168 Benchmark]: Toolchain (without parser) took 790.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:06,005 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:06,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:06,006 INFO L168 Benchmark]: Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:06,007 INFO L168 Benchmark]: RCFGBuilder took 257.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:06,007 INFO L168 Benchmark]: TraceAbstraction took 307.63 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:06,008 INFO L168 Benchmark]: Witness Printer took 3.68 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. [2018-11-10 13:28:06,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 257.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 307.63 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.68 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: 57]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 38, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L52] float x = 0.0f / 0.0f; [L53] CALL, EXPR trunc_float(x) VAL [\old(x)=9] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=9, x=9] [L15] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=9, gf_u={7:0}, x=9] [L16] FCALL gf_u.value = (x) VAL [\old(x)=9, gf_u={7:0}, x=9] [L17] EXPR, FCALL gf_u.word VAL [\old(x)=9, gf_u={7:0}, gf_u.word=3, x=9] [L17] (w) = gf_u.word VAL [(w) = gf_u.word=5, \old(x)=9, gf_u={7:0}, gf_u.word=3, w=3, x=9] [L18] COND FALSE !(0) VAL [\old(x)=9, w=3, x=9] [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=3, x=9] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=3, x=9] [L37] COND TRUE exponent_less_127 == 255 [L38] RET return x + x; VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=3, x=9] [L53] EXPR trunc_float(x) VAL [trunc_float(x)=8, x=9] [L53] float res = trunc_float(x); [L56] CALL, EXPR isnan_float(res) VAL [\old(x)=8] [L44] RET return x != x; VAL [\old(x)=8, \result=0, x=8] [L56] EXPR isnan_float(res) VAL [isnan_float(res)=0, res=8, x=9] [L56] COND TRUE !isnan_float(res) [L57] __VERIFIER_error() VAL [res=8, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-11-10 13:28:07,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:28:07,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:28:07,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:28:07,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:28:07,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:28:07,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:28:07,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:28:07,383 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:28:07,384 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:28:07,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:28:07,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:28:07,385 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:28:07,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:28:07,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:28:07,387 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:28:07,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:28:07,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:28:07,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:28:07,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:28:07,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:28:07,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:28:07,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:28:07,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:28:07,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:28:07,395 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:28:07,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:28:07,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:28:07,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:28:07,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:28:07,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:28:07,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:28:07,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:28:07,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:28:07,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:28:07,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:28:07,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 13:28:07,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:28:07,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:28:07,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:28:07,412 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:28:07,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:28:07,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:28:07,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:28:07,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:28:07,414 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:28:07,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:28:07,415 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2018-11-10 13:28:07,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:28:07,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:28:07,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:28:07,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:28:07,462 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:28:07,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:07,507 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/8c37e7151/74a4f6b96d5a437e9ab993b940a651eb/FLAGaf2d53d86 [2018-11-10 13:28:07,896 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:28:07,896 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/sv-benchmarks/c/float-newlib/float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:07,900 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/8c37e7151/74a4f6b96d5a437e9ab993b940a651eb/FLAGaf2d53d86 [2018-11-10 13:28:07,909 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/data/8c37e7151/74a4f6b96d5a437e9ab993b940a651eb [2018-11-10 13:28:07,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:28:07,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 13:28:07,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:07,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:28:07,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:28:07,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:07" (1/1) ... [2018-11-10 13:28:07,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526b064b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:07, skipping insertion in model container [2018-11-10 13:28:07,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:07" (1/1) ... [2018-11-10 13:28:07,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:28:07,937 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:28:08,046 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:08,049 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:28:08,066 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:08,081 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:28:08,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08 WrapperNode [2018-11-10 13:28:08,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:08,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:28:08,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:28:08,082 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:28:08,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... [2018-11-10 13:28:08,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:28:08,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:28:08,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:28:08,112 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:28:08,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 [2018-11-10 13:28:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:28:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:28:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 13:28:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 13:28:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 13:28:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 13:28:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 13:28:08,338 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:28:08,359 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:28:08,398 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:28:08,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:08 BoogieIcfgContainer [2018-11-10 13:28:08,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:28:08,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:28:08,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:28:08,401 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:28:08,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:28:07" (1/3) ... [2018-11-10 13:28:08,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be4b1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:28:08, skipping insertion in model container [2018-11-10 13:28:08,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:08" (2/3) ... [2018-11-10 13:28:08,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be4b1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:28:08, skipping insertion in model container [2018-11-10 13:28:08,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:08" (3/3) ... [2018-11-10 13:28:08,403 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071_true-unreach-call.c [2018-11-10 13:28:08,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:28:08,413 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:28:08,422 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:28:08,440 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:28:08,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:28:08,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:28:08,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:28:08,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:28:08,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:28:08,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:28:08,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:28:08,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:28:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-10 13:28:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 13:28:08,455 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:08,456 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:08,457 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:08,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:08,461 INFO L82 PathProgramCache]: Analyzing trace with hash -669224041, now seen corresponding path program 1 times [2018-11-10 13:28:08,463 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:28:08,464 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 [2018-11-10 13:28:08,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:08,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:08,533 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:28:08,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:28:08,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:28:08,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:28:08,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:28:08,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:28:08,555 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-10 13:28:08,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:28:08,572 INFO L93 Difference]: Finished difference Result 106 states and 124 transitions. [2018-11-10 13:28:08,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:28:08,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 13:28:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:28:08,579 INFO L225 Difference]: With dead ends: 106 [2018-11-10 13:28:08,579 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 13:28:08,581 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:28:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 13:28:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-10 13:28:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-10 13:28:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-11-10 13:28:08,607 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 21 [2018-11-10 13:28:08,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:28:08,607 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-11-10 13:28:08,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:28:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-11-10 13:28:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 13:28:08,608 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:08,608 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:08,609 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:08,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:08,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1272495203, now seen corresponding path program 1 times [2018-11-10 13:28:08,609 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:28:08,610 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 [2018-11-10 13:28:08,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:08,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:08,708 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:28:08,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:28:08,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 13:28:08,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 13:28:08,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:28:08,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:28:08,716 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 4 states. [2018-11-10 13:28:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:28:08,765 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2018-11-10 13:28:08,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:28:08,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-10 13:28:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:28:08,768 INFO L225 Difference]: With dead ends: 66 [2018-11-10 13:28:08,768 INFO L226 Difference]: Without dead ends: 56 [2018-11-10 13:28:08,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:28:08,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-10 13:28:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-11-10 13:28:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-10 13:28:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-11-10 13:28:08,774 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 30 [2018-11-10 13:28:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:28:08,774 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-11-10 13:28:08,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 13:28:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-11-10 13:28:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 13:28:08,775 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:08,776 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:08,776 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:08,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:08,776 INFO L82 PathProgramCache]: Analyzing trace with hash -997630018, now seen corresponding path program 1 times [2018-11-10 13:28:08,776 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:28:08,777 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/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 [2018-11-10 13:28:08,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:08,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:08,936 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:28:08,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:28:08,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 13:28:08,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 13:28:08,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 13:28:08,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 13:28:08,944 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 9 states. [2018-11-10 13:28:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:28:09,139 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2018-11-10 13:28:09,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 13:28:09,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-11-10 13:28:09,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:28:09,140 INFO L225 Difference]: With dead ends: 61 [2018-11-10 13:28:09,140 INFO L226 Difference]: Without dead ends: 52 [2018-11-10 13:28:09,141 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 13:28:09,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-10 13:28:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-10 13:28:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-10 13:28:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-11-10 13:28:09,149 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 31 [2018-11-10 13:28:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:28:09,150 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-11-10 13:28:09,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 13:28:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-11-10 13:28:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 13:28:09,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:28:09,151 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:09,151 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:28:09,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash 428757916, now seen corresponding path program 1 times [2018-11-10 13:28:09,152 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:28:09,152 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 13:28:09,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:09,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:09,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 13:28:09,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 13:28:09,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,235 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 13:28:09,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 13:28:09,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 13:28:09,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:28:09,270 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 13:28:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:09,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:28:09,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:28:09,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 13:28:09,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 13:28:09,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 13:28:09,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 13:28:09,381 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 9 states. [2018-11-10 13:28:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:28:09,813 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-11-10 13:28:09,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 13:28:09,813 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-11-10 13:28:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:28:09,814 INFO L225 Difference]: With dead ends: 52 [2018-11-10 13:28:09,814 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:28:09,814 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 13:28:09,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:28:09,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:28:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:28:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:28:09,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-11-10 13:28:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:28:09,815 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:28:09,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 13:28:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:28:09,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:28:09,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:28:09,981 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 44) no Hoare annotation was computed. [2018-11-10 13:28:09,981 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 44) the Hoare annotation is: true [2018-11-10 13:28:09,981 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 44) no Hoare annotation was computed. [2018-11-10 13:28:09,981 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:28:09,981 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 13:28:09,982 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 46 62) the Hoare annotation is: true [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 46 62) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 57) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 46 62) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L421 ceAbstractionStarter]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= .cse0 main_~res~0))) [2018-11-10 13:28:09,982 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 56 59) no Hoare annotation was computed. [2018-11-10 13:28:09,982 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L31-2(line 31) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L31-3(line 31) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. [2018-11-10 13:28:09,983 INFO L425 ceAbstractionStarter]: For program point L15-3(line 15) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32))))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))))) [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-10 13:28:09,984 INFO L425 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L428 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-10 13:28:09,985 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-10 13:28:09,986 INFO L421 ceAbstractionStarter]: At program point L30-3(lines 30 34) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32))))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))))) [2018-11-10 13:28:09,986 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 13:28:09,986 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-10 13:28:09,986 INFO L425 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-10 13:28:09,986 INFO L421 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-10 13:28:09,986 INFO L425 ceAbstractionStarter]: For program point L14-4(lines 14 18) no Hoare annotation was computed. [2018-11-10 13:28:09,994 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:09,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:28:10 BoogieIcfgContainer [2018-11-10 13:28:10,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:28:10,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:28:10,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:28:10,004 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:28:10,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:08" (3/4) ... [2018-11-10 13:28:10,006 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:28:10,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 13:28:10,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:28:10,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:28:10,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-10 13:28:10,015 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 13:28:10,015 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 13:28:10,015 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 13:28:10,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 13:28:10,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) [2018-11-10 13:28:10,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) [2018-11-10 13:28:10,043 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2fc2eaca-f5e5-4c81-9db4-9aca6d0e293a/bin-2019/uautomizer/witness.graphml [2018-11-10 13:28:10,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:28:10,044 INFO L168 Benchmark]: Toolchain (without parser) took 2131.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 949.7 MB in the beginning and 965.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 134.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:10,045 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:10,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.31 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:10,046 INFO L168 Benchmark]: Boogie Preprocessor took 29.46 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:10,046 INFO L168 Benchmark]: RCFGBuilder took 286.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:10,046 INFO L168 Benchmark]: TraceAbstraction took 1604.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 157.4 MB). Peak memory consumption was 157.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:10,046 INFO L168 Benchmark]: Witness Printer took 40.04 ms. Allocated memory is still 1.2 GB. Free memory is still 965.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:10,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.31 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.46 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 286.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1604.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 157.4 MB). Peak memory consumption was 157.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.04 ms. Allocated memory is still 1.2 GB. Free memory is still 965.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: 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: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-10 13:28:10,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) - InvariantResult [Line: 24]: Loop Invariant [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 13:28:10,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 191 SDtfs, 129 SDslu, 519 SDs, 0 SdLazy, 124 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 134 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 119 ConstructedInterpolants, 17 QuantifiedInterpolants, 21778 SizeOfPredicates, 14 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...