./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:20:49,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:20:49,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:20:49,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:20:49,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:20:49,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:20:49,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:20:49,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:20:49,326 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:20:49,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:20:49,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:20:49,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:20:49,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:20:49,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:20:49,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:20:49,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:20:49,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:20:49,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:20:49,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:20:49,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:20:49,335 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:20:49,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:20:49,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:20:49,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:20:49,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:20:49,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:20:49,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:20:49,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:20:49,341 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:20:49,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:20:49,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:20:49,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:20:49,343 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:20:49,343 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:20:49,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:20:49,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:20:49,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:20:49,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:20:49,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:20:49,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:20:49,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:20:49,351 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:20:49,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:20:49,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:20:49,352 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:20:49,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:20:49,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:20:49,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:20:49,354 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:20:49,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:20:49,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:20:49,355 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_52a2b52d-886b-4718-ba13-aba5899e67ad/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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 03:20:49,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:20:49,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:20:49,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:20:49,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:20:49,391 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:20:49,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:49,434 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/22c0efae9/3e7132380af1427fa2ea526123f4869a/FLAG3f822d59a [2018-11-23 03:20:49,822 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:20:49,822 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:49,826 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/22c0efae9/3e7132380af1427fa2ea526123f4869a/FLAG3f822d59a [2018-11-23 03:20:49,837 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/22c0efae9/3e7132380af1427fa2ea526123f4869a [2018-11-23 03:20:49,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:20:49,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:20:49,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:49,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:20:49,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:20:49,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:49" (1/1) ... [2018-11-23 03:20:49,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef9d357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:49, skipping insertion in model container [2018-11-23 03:20:49,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:49" (1/1) ... [2018-11-23 03:20:49,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:20:49,863 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:20:49,981 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:49,983 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:20:50,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:50,014 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:20:50,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50 WrapperNode [2018-11-23 03:20:50,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:50,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:50,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:20:50,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:20:50,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:50,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:20:50,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:20:50,031 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:20:50,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... [2018-11-23 03:20:50,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:20:50,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:20:50,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:20:50,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:20:50,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 03:20:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:20:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:20:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:20:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:20:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:20:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:20:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 03:20:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 03:20:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:20:50,315 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:20:50,316 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 03:20:50,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:50 BoogieIcfgContainer [2018-11-23 03:20:50,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:20:50,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:20:50,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:20:50,320 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:20:50,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:20:49" (1/3) ... [2018-11-23 03:20:50,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b258ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:50, skipping insertion in model container [2018-11-23 03:20:50,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:50" (2/3) ... [2018-11-23 03:20:50,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b258ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:50, skipping insertion in model container [2018-11-23 03:20:50,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:50" (3/3) ... [2018-11-23 03:20:50,322 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:50,331 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:20:50,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:20:50,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:20:50,377 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:20:50,378 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:20:50,378 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:20:50,378 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:20:50,378 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:20:50,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:20:50,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:20:50,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:20:50,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:20:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-23 03:20:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:20:50,397 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:50,397 INFO L402 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] [2018-11-23 03:20:50,399 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:50,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:50,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1088803944, now seen corresponding path program 1 times [2018-11-23 03:20:50,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:20:50,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:20:50,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:20:50,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:50,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:20:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:20:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:20:50,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:20:50,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:20:50,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:20:50,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:20:50,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:20:50,511 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-11-23 03:20:50,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:20:50,525 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2018-11-23 03:20:50,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:20:50,526 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 03:20:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:20:50,533 INFO L225 Difference]: With dead ends: 70 [2018-11-23 03:20:50,533 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 03:20:50,536 INFO L631 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 [2018-11-23 03:20:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 03:20:50,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 03:20:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 03:20:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-11-23 03:20:50,560 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 22 [2018-11-23 03:20:50,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:20:50,560 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-11-23 03:20:50,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:20:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-11-23 03:20:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 03:20:50,561 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:50,562 INFO L402 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] [2018-11-23 03:20:50,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:50,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:50,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1824817680, now seen corresponding path program 1 times [2018-11-23 03:20:50,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:20:50,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:20:50,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:20:50,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:50,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:20:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:20:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:20:50,635 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450950, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=6442450947.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_ceil~0 := 1.0E30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #95#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret6 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret4 := ceil_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; VAL [ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [ceil_float_~i0~0=2147483647, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] goto; VAL [ceil_float_~i0~0=2147483647, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !(~j0~0 < 23); VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !!(~ix~0 % 4294967296 < 2139095040);#res := ~x; VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, |ceil_float_#res|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, |ceil_float_#res|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #99#return; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret4|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~res~0 := #t~ret4;havoc #t~ret4; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret5 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #101#return; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume 0 == #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !false; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43-L46] assume !!(~ix~0 % 4294967296 < 2139095040); [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L13-L54] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L57] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71-L74] assume 0 == #t~ret5; [L71] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43-L46] assume !!(~ix~0 % 4294967296 < 2139095040); [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L13-L54] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L57] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71-L74] assume 0 == #t~ret5; [L71] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450947, huge_ceil=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L68] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [\old(x)=6442450949, \result=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L68] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L68] float res = ceil_float(x); [L71] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L57] return x != x; VAL [\old(x)=6442450949, \result=0, huge_ceil=1000000000000000000000000000000, x=6442450949] [L71] RET, EXPR isnan_float(res) VAL [huge_ceil=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450949] [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450949, x=6442450949] ----- [2018-11-23 03:20:50,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:20:50 BoogieIcfgContainer [2018-11-23 03:20:50,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:20:50,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:20:50,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:20:50,673 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:20:50,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:50" (3/4) ... [2018-11-23 03:20:50,678 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:20:50,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:20:50,679 INFO L168 Benchmark]: Toolchain (without parser) took 839.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,681 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:20:50,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.08 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:20:50,682 INFO L168 Benchmark]: Boogie Preprocessor took 58.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,683 INFO L168 Benchmark]: RCFGBuilder took 226.48 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,683 INFO L168 Benchmark]: TraceAbstraction took 355.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,684 INFO L168 Benchmark]: Witness Printer took 5.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:50,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.08 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.48 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 355.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 72]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 66, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450947, huge_ceil=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L68] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [\old(x)=6442450949, \result=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L68] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L68] float res = ceil_float(x); [L71] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L57] return x != x; VAL [\old(x)=6442450949, \result=0, huge_ceil=1000000000000000000000000000000, x=6442450949] [L71] RET, EXPR isnan_float(res) VAL [huge_ceil=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450949] [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450949, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 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=39occurred 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, 45 NumberOfCodeBlocks, 45 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-aa41828 [2018-11-23 03:20:52,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:20:52,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:20:52,147 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-23 03:20:52,153 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:20:52,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:20:52,154 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:20:52,155 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:20:52,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:20:52,156 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:20:52,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:20:52,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:20:52,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:20:52,159 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:20:52,160 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:20:52,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:20:52,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:20:52,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:20:52,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:20:52,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:20:52,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:20:52,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:20:52,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:20:52,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:20:52,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:20:52,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:20:52,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:20:52,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:20:52,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:20:52,167 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 03:20:52,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:20:52,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:20:52,177 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:20:52,177 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:20:52,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:20:52,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:20:52,178 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:20:52,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:20:52,179 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:20:52,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:20:52,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:20:52,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:20:52,181 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:20:52,182 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:20:52,182 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_52a2b52d-886b-4718-ba13-aba5899e67ad/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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 03:20:52,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:20:52,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:20:52,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:20:52,224 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:20:52,224 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:20:52,225 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:52,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/d2656e476/6e463f4dbd02446b91603c3c101af7ea/FLAG2e4cdb38a [2018-11-23 03:20:52,566 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:20:52,566 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:52,571 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/d2656e476/6e463f4dbd02446b91603c3c101af7ea/FLAG2e4cdb38a [2018-11-23 03:20:52,581 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/data/d2656e476/6e463f4dbd02446b91603c3c101af7ea [2018-11-23 03:20:52,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:20:52,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:20:52,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:52,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:20:52,588 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:20:52,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe3f83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52, skipping insertion in model container [2018-11-23 03:20:52,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:20:52,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:20:52,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:52,752 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:20:52,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:20:52,786 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:20:52,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52 WrapperNode [2018-11-23 03:20:52,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:20:52,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:52,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:20:52,787 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:20:52,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:20:52,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:20:52,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:20:52,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:20:52,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... [2018-11-23 03:20:52,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:20:52,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:20:52,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:20:52,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:20:52,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 03:20:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 03:20:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:20:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 03:20:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 03:20:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 03:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 03:20:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:20:53,355 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:20:53,355 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 03:20:53,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:53 BoogieIcfgContainer [2018-11-23 03:20:53,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:20:53,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:20:53,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:20:53,358 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:20:53,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:20:52" (1/3) ... [2018-11-23 03:20:53,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68be3c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:53, skipping insertion in model container [2018-11-23 03:20:53,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:52" (2/3) ... [2018-11-23 03:20:53,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68be3c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:53, skipping insertion in model container [2018-11-23 03:20:53,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:53" (3/3) ... [2018-11-23 03:20:53,360 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1091_true-unreach-call.c [2018-11-23 03:20:53,366 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:20:53,371 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:20:53,380 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:20:53,399 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:20:53,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:20:53,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:20:53,400 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:20:53,400 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:20:53,400 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:20:53,400 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:20:53,400 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:20:53,400 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:20:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 03:20:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 03:20:53,414 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:53,414 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:20:53,415 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:53,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:53,419 INFO L82 PathProgramCache]: Analyzing trace with hash 440212005, now seen corresponding path program 1 times [2018-11-23 03:20:53,421 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:20:53,421 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:53,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:20:53,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:20:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:20:53,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:20:53,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:20:53,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:20:53,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:20:53,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:20:53,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:20:53,512 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-23 03:20:53,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:20:53,529 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2018-11-23 03:20:53,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:20:53,531 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 03:20:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:20:53,537 INFO L225 Difference]: With dead ends: 68 [2018-11-23 03:20:53,537 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 03:20:53,540 INFO L631 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 [2018-11-23 03:20:53,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 03:20:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 03:20:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 03:20:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2018-11-23 03:20:53,566 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2018-11-23 03:20:53,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:20:53,567 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2018-11-23 03:20:53,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:20:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-23 03:20:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:20:53,568 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:53,568 INFO L402 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] [2018-11-23 03:20:53,568 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:53,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:53,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1644236608, now seen corresponding path program 1 times [2018-11-23 03:20:53,569 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:20:53,569 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:53,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:20:53,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:20:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:20:54,118 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:20:54,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:20:54,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:20:54,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:20:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:20:54,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:20:54,129 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 9 states. [2018-11-23 03:20:54,567 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-23 03:20:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:20:55,632 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2018-11-23 03:20:55,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:20:55,633 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 03:20:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:20:55,635 INFO L225 Difference]: With dead ends: 43 [2018-11-23 03:20:55,635 INFO L226 Difference]: Without dead ends: 36 [2018-11-23 03:20:55,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:20:55,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-23 03:20:55,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-23 03:20:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 03:20:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2018-11-23 03:20:55,643 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 22 [2018-11-23 03:20:55,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:20:55,643 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2018-11-23 03:20:55,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:20:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-11-23 03:20:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:20:55,644 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:55,644 INFO L402 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] [2018-11-23 03:20:55,645 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:55,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:55,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1840750113, now seen corresponding path program 1 times [2018-11-23 03:20:55,645 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:20:55,646 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:55,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:20:55,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:20:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:20:55,818 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:20:55,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:20:55,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:20:55,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:20:55,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:20:55,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:20:55,831 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 9 states. [2018-11-23 03:20:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:20:56,271 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2018-11-23 03:20:56,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:20:56,271 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 03:20:56,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:20:56,272 INFO L225 Difference]: With dead ends: 41 [2018-11-23 03:20:56,272 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 03:20:56,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:20:56,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 03:20:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 03:20:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 03:20:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-23 03:20:56,277 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 22 [2018-11-23 03:20:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:20:56,277 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-23 03:20:56,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:20:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-23 03:20:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 03:20:56,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:20:56,278 INFO L402 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] [2018-11-23 03:20:56,278 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:20:56,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:20:56,278 INFO L82 PathProgramCache]: Analyzing trace with hash -580032546, now seen corresponding path program 1 times [2018-11-23 03:20:56,279 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 03:20:56,279 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/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 [2018-11-23 03:20:56,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:20:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:20:56,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:20:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:20:56,413 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 03:20:56,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:20:56,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:20:56,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:20:56,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:20:56,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:20:56,425 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 7 states. [2018-11-23 03:20:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:20:56,939 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-23 03:20:56,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:20:56,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 03:20:56,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:20:56,940 INFO L225 Difference]: With dead ends: 39 [2018-11-23 03:20:56,940 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:20:56,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:20:56,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:20:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:20:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:20:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:20:56,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-23 03:20:56,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:20:56,941 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:20:56,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:20:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:20:56,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:20:56,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:20:57,003 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 57) no Hoare annotation was computed. [2018-11-23 03:20:57,003 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 57) the Hoare annotation is: true [2018-11-23 03:20:57,003 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 57) no Hoare annotation was computed. [2018-11-23 03:20:57,003 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:20:57,003 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 03:20:57,004 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 59 77) the Hoare annotation is: true [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 59 77) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 59 77) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L444 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)) (= main_~x~0 .cse0))) [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) no Hoare annotation was computed. [2018-11-23 03:20:57,004 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 71 74) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-11-23 03:20:57,005 INFO L451 ceAbstractionStarter]: At program point ceil_floatENTRY(lines 13 54) the Hoare annotation is: true [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point ceil_floatFINAL(lines 13 54) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (= |ceil_float_#in~x| ceil_float_~x) [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point ceil_floatEXIT(lines 13 54) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2018-11-23 03:20:57,006 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2018-11-23 03:20:57,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:20:57 BoogieIcfgContainer [2018-11-23 03:20:57,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:20:57,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:20:57,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:20:57,015 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:20:57,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:53" (3/4) ... [2018-11-23 03:20:57,018 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:20:57,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 03:20:57,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:20:57,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:20:57,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_float [2018-11-23 03:20:57,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 03:20:57,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 03:20:57,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:20:57,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 03:20:57,063 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52a2b52d-886b-4718-ba13-aba5899e67ad/bin-2019/uautomizer/witness.graphml [2018-11-23 03:20:57,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:20:57,064 INFO L168 Benchmark]: Toolchain (without parser) took 4480.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 949.7 MB in the beginning and 950.5 MB in the end (delta: -793.0 kB). Peak memory consumption was 143.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:57,065 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 03:20:57,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.50 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:57,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:20:57,066 INFO L168 Benchmark]: Boogie Preprocessor took 26.32 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:20:57,066 INFO L168 Benchmark]: RCFGBuilder took 524.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:57,066 INFO L168 Benchmark]: TraceAbstraction took 3658.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:57,066 INFO L168 Benchmark]: Witness Printer took 48.58 ms. Allocated memory is still 1.2 GB. Free memory was 957.3 MB in the beginning and 950.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:20:57,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 201.50 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.32 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3658.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.58 ms. Allocated memory is still 1.2 GB. Free memory was 957.3 MB in the beginning and 950.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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: 16]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 108 SDslu, 423 SDs, 0 SdLazy, 221 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 34 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 8 QuantifiedInterpolants, 9390 SizeOfPredicates, 13 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 30 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...