./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1250_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_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01b6390e563edc58f3f7d1f239b082df891f9006 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01b6390e563edc58f3f7d1f239b082df891f9006 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:16:00,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:16:00,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:16:00,523 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:16:00,523 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:16:00,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:16:00,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:16:00,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:16:00,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:16:00,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:16:00,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:16:00,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:16:00,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:16:00,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:16:00,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:16:00,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:16:00,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:16:00,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:16:00,532 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:16:00,533 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:16:00,534 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:16:00,535 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:16:00,536 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:16:00,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:16:00,536 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:16:00,537 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:16:00,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:16:00,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:16:00,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:16:00,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:16:00,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:16:00,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:16:00,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:16:00,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:16:00,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:16:00,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:16:00,540 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:16:00,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:16:00,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:16:00,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:16:00,548 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:16:00,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:16:00,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:16:00,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:16:00,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:16:00,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:16:00,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:16:00,550 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:16:00,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:16:00,550 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:16:00,550 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:16:00,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:16:00,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:16:00,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:16:00,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:16:00,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:16:00,551 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:16:00,551 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:16:00,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:16:00,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:16:00,552 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_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak 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 -> Kojak 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 -> 01b6390e563edc58f3f7d1f239b082df891f9006 [2018-11-22 23:16:00,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:16:00,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:16:00,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:16:00,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:16:00,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:16:00,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c [2018-11-22 23:16:00,627 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/2b184d5c3/0f1adad4ba4e4493921e5cb413989112/FLAG98e002e21 [2018-11-22 23:16:01,017 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:16:01,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c [2018-11-22 23:16:01,021 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/2b184d5c3/0f1adad4ba4e4493921e5cb413989112/FLAG98e002e21 [2018-11-22 23:16:01,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/2b184d5c3/0f1adad4ba4e4493921e5cb413989112 [2018-11-22 23:16:01,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:16:01,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:16:01,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:01,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:16:01,036 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:16:01,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1528b193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01, skipping insertion in model container [2018-11-22 23:16:01,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:16:01,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:16:01,169 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:01,171 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:16:01,185 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:01,197 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:16:01,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01 WrapperNode [2018-11-22 23:16:01,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:01,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:01,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:16:01,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:16:01,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:01,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:16:01,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:16:01,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:16:01,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:16:01,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:16:01,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:16:01,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:16:01,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-22 23:16:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-22 23:16:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-22 23:16:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-22 23:16:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:16:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:16:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:16:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 23:16:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:16:01,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:16:01,625 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-22 23:16:01,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:01 BoogieIcfgContainer [2018-11-22 23:16:01,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:16:01,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:16:01,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:16:01,633 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:16:01,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:01" (1/1) ... [2018-11-22 23:16:01,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-22 23:16:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-22 23:16:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:16:01,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:16:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:16:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:16:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-22 23:16:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-22 23:16:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:16:01,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:16:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:01,883 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~y~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0);main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0);fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0;havoc fmax_double_#res;havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y;fmax_double_~x := fmax_double_#in~x;fmax_double_~y := fmax_double_#in~y; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0] [?] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] ~x := #in~x;havoc ~msw~0;havoc ~lsw~0; VAL [__fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8);call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8);call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4);~msw~0 := #t~mem0;call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8);havoc #t~union1;havoc #t~mem0;call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4);~lsw~0 := #t~mem2;call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8);havoc #t~union3;havoc #t~mem2;call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset);havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [__fpclassify_double_~lsw~0=1, __fpclassify_double_~msw~0=2146435072, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] goto; VAL [__fpclassify_double_~lsw~0=1, __fpclassify_double_~msw~0=2146435072, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296);#res := 2;ParallelCodeBlock1: assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296));BeginParallelComposition{ParallelCodeBlock0: assume (~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719);#res := 4;ParallelCodeBlock1: assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719));BeginParallelComposition{ParallelCodeBlock0: assume ~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223);#res := 3;ParallelCodeBlock1: assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223));BeginParallelComposition{ParallelCodeBlock0: assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296);#res := 1;ParallelCodeBlock1: assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296));#res := 0;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionassume true; VAL [__fpclassify_double_~lsw~0=1, __fpclassify_double_~msw~0=2146435072, __fpclassify_double_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_double_#in~x|=0.0, |__fpclassify_double_#res|=0] [?] RET #69#return; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#t~ret4|=0] [?] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#t~ret4|=0] [?] assume 0 == fmax_double_#t~ret4;havoc fmax_double_#t~ret4;fmax_double_#res := fmax_double_~y; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0] [?] main_#t~ret7 := fmax_double_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isnan_double_#in~x := main_~res~0;havoc isnan_double_#res;havoc isnan_double_~x;isnan_double_~x := isnan_double_#in~x;isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0);main_#t~ret8 := isnan_double_#res;assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_isnan_double_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0, |ULTIMATE.start_isnan_double_#in~x|=1.0, |ULTIMATE.start_isnan_double_#res|=0, |ULTIMATE.start_main_#t~ret8|=0] [?] assume 0 == main_#t~ret8;havoc main_#t~ret8; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_isnan_double_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0, |ULTIMATE.start_isnan_double_#in~x|=1.0, |ULTIMATE.start_isnan_double_#res|=0] [?] assume !false; VAL [ULTIMATE.start_fmax_double_~x=0.0, ULTIMATE.start_fmax_double_~y=1.0, ULTIMATE.start_isnan_double_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_main_~y~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_double_#in~x|=0.0, |ULTIMATE.start_fmax_double_#in~y|=1.0, |ULTIMATE.start_fmax_double_#res|=1.0, |ULTIMATE.start_isnan_double_#in~x|=1.0, |ULTIMATE.start_isnan_double_#res|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~y~0, main_~res~0; [L67] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L69] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L69] havoc fmax_double_#res; [L69] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L53-L61] fmax_double_~x := fmax_double_#in~x; [L53-L61] fmax_double_~y := fmax_double_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L30] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8); [L31] call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L32] call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); [L32] ~msw~0 := #t~mem0; [L32] call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); [L33] ~lsw~0 := #t~mem2; [L33] call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); [L30] havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L50] assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L39-L50] assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); [L42-L50] assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); [L46-L50] assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L50] #res := 0; [L26-L51] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L55] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55-L56] assume 0 == fmax_double_#t~ret4; [L55] havoc fmax_double_#t~ret4; [L56] fmax_double_#res := fmax_double_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] main_#t~ret7 := fmax_double_#res; [L69] main_~res~0 := main_#t~ret7; [L69] havoc main_#t~ret7; [L71] isnan_double_#in~x := main_~res~0; [L71] havoc isnan_double_#res; [L71] havoc isnan_double_~x; [L16] isnan_double_~x := isnan_double_#in~x; [L16] isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0); [L71] main_#t~ret8 := isnan_double_#res; [L71] assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_#t~ret8=0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L71-L74] assume 0 == main_#t~ret8; [L71] havoc main_#t~ret8; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~y~0, main_~res~0; [L67] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L69] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L69] havoc fmax_double_#res; [L69] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L53-L61] fmax_double_~x := fmax_double_#in~x; [L53-L61] fmax_double_~y := fmax_double_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L30] call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.alloc(8); [L31] call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L32] call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); [L32] ~msw~0 := #t~mem0; [L32] call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); [L33] ~lsw~0 := #t~mem2; [L33] call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); [L30] havoc ~#ew_u~0.base, ~#ew_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L50] assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L39-L50] assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); [L42-L50] assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); [L46-L50] assume !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); [L50] #res := 0; [L26-L51] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L55] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55-L56] assume 0 == fmax_double_#t~ret4; [L55] havoc fmax_double_#t~ret4; [L56] fmax_double_#res := fmax_double_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] main_#t~ret7 := fmax_double_#res; [L69] main_~res~0 := main_#t~ret7; [L69] havoc main_#t~ret7; [L71] isnan_double_#in~x := main_~res~0; [L71] havoc isnan_double_#res; [L71] havoc isnan_double_~x; [L16] isnan_double_~x := isnan_double_#in~x; [L16] isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0); [L71] main_#t~ret8 := isnan_double_#res; [L71] assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_#t~ret8=0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L71-L74] assume 0 == main_#t~ret8; [L71] havoc main_#t~ret8; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~y~0, main_~res~0; [L67] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L69] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L69] havoc fmax_double_#res; [L69] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L53-L61] fmax_double_~x := fmax_double_#in~x; [L53-L61] fmax_double_~y := fmax_double_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L30] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L31] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L32] ~msw~0 := #t~mem0; [L32] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L33] ~lsw~0 := #t~mem2; [L33] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L30] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L37] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L39-L40] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L42-L43] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L46-L47] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L50] #res := 0; [L55] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] COND TRUE 0 == fmax_double_#t~ret4 [L55] havoc fmax_double_#t~ret4; [L56] fmax_double_#res := fmax_double_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] main_#t~ret7 := fmax_double_#res; [L69] main_~res~0 := main_#t~ret7; [L69] havoc main_#t~ret7; [L71] isnan_double_#in~x := main_~res~0; [L71] havoc isnan_double_#res; [L71] havoc isnan_double_~x; [L16] isnan_double_~x := isnan_double_#in~x; [L16] isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0); [L71] main_#t~ret8 := isnan_double_#res; [L71] assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_#t~ret8=0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L71] COND TRUE 0 == main_#t~ret8 [L71] havoc main_#t~ret8; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~y~0, main_~res~0; [L67] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L69] fmax_double_#in~x, fmax_double_#in~y := main_~x~0, main_~y~0; [L69] havoc fmax_double_#res; [L69] havoc fmax_double_#t~ret4, fmax_double_#t~ret5, fmax_double_#t~ite6, fmax_double_~x, fmax_double_~y; [L53-L61] fmax_double_~x := fmax_double_#in~x; [L53-L61] fmax_double_~y := fmax_double_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] CALL call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L30] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L31] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L32] ~msw~0 := #t~mem0; [L32] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L33] ~lsw~0 := #t~mem2; [L33] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L30] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L37] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L39-L40] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L42-L43] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L46-L47] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L50] #res := 0; [L55] RET call fmax_double_#t~ret4 := __fpclassify_double(fmax_double_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] assume -2147483648 <= fmax_double_#t~ret4 && fmax_double_#t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#t~ret4=0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L55] COND TRUE 0 == fmax_double_#t~ret4 [L55] havoc fmax_double_#t~ret4; [L56] fmax_double_#res := fmax_double_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, main_~x~0=0.0, main_~y~0=1.0] [L69] main_#t~ret7 := fmax_double_#res; [L69] main_~res~0 := main_#t~ret7; [L69] havoc main_#t~ret7; [L71] isnan_double_#in~x := main_~res~0; [L71] havoc isnan_double_#res; [L71] havoc isnan_double_~x; [L16] isnan_double_~x := isnan_double_#in~x; [L16] isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0); [L71] main_#t~ret8 := isnan_double_#res; [L71] assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_#t~ret8=0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L71] COND TRUE 0 == main_#t~ret8 [L71] havoc main_#t~ret8; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_double_#in~x=0.0, fmax_double_#in~y=1.0, fmax_double_#res=1.0, fmax_double_~x=0.0, fmax_double_~y=1.0, isnan_double_#in~x=1.0, isnan_double_#res=0, isnan_double_~x=1.0, main_~res~0=1.0, main_~x~0=0.0, main_~y~0=1.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L67] ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L53-L61] ~x := #in~x; [L53-L61] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L55] CALL call #t~ret4 := __fpclassify_double(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L30] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L31] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L32] ~msw~0 := #t~mem0; [L32] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L33] ~lsw~0 := #t~mem2; [L33] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L30] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L37] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L39-L40] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L42-L43] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L46-L47] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L50] #res := 0; [L55] RET call #t~ret4 := __fpclassify_double(~x); VAL [#NULL!base=0, #NULL!offset=0] [L55] assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L55] COND TRUE 0 == #t~ret4 [L55] havoc #t~ret4; [L56] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L69] ~res~0 := #t~ret7; [L69] havoc #t~ret7; [L16] ~x := #in~x; [L16] #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); [L71] assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L71] COND TRUE 0 == #t~ret8 [L71] havoc #t~ret8; VAL [#NULL!base=0, #NULL!offset=0] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L67] ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L68] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); [L53-L61] ~x := #in~x; [L53-L61] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L55] CALL call #t~ret4 := __fpclassify_double(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L26-L51] ~x := #in~x; [L27] havoc ~msw~0; [L27] havoc ~lsw~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L30] FCALL call ~#ew_u~0 := #Ultimate.alloc(8); [L31] FCALL call write~real(~x, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] FCALL call #t~mem0 := read~int({ base: ~#ew_u~0!base, offset: 4 + ~#ew_u~0!offset }, 4); [L32] ~msw~0 := #t~mem0; [L32] FCALL call write~real(#t~union1, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L32] havoc #t~union1; [L32] havoc #t~mem0; [L33] FCALL call #t~mem2 := read~int({ base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 4); [L33] ~lsw~0 := #t~mem2; [L33] FCALL call write~real(#t~union3, { base: ~#ew_u~0!base, offset: ~#ew_u~0!offset }, 8); [L33] havoc #t~union3; [L33] havoc #t~mem2; [L30] FCALL call ULTIMATE.dealloc(~#ew_u~0); [L30] havoc ~#ew_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~lsw~0=1, ~msw~0=2146435072, ~x=0.0] [L36-L37] COND FALSE !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L39-L40] COND FALSE !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)) [L42-L43] COND FALSE !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)) [L46-L47] COND FALSE !((2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)) [L50] #res := 0; [L55] RET call #t~ret4 := __fpclassify_double(~x); VAL [#NULL!base=0, #NULL!offset=0] [L55] assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L55] COND TRUE 0 == #t~ret4 [L55] havoc #t~ret4; [L56] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L69] ~res~0 := #t~ret7; [L69] havoc #t~ret7; [L16] ~x := #in~x; [L16] #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); [L71] assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L71] COND TRUE 0 == #t~ret8 [L71] havoc #t~ret8; VAL [#NULL!base=0, #NULL!offset=0] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L67] double x = 0.0 / 0.0; [L68] double y = 0.0 / 0.0; [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L27] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [L36-L37] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L39-L40] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L42-L43] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L46-L47] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L50] return 0; [L55] RET, EXPR __fpclassify_double(x) [L55] COND TRUE __fpclassify_double(x) == 0 [L56] return y; [L69] double res = fmax_double(x, y); [L16] return x != x; [L71] COND TRUE !isnan_double(res) [L72] __VERIFIER_error() ----- [2018-11-22 23:16:01,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:16:01 ImpRootNode [2018-11-22 23:16:01,922 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:16:01,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:16:01,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:16:01,923 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:16:01,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:01" (3/4) ... [2018-11-22 23:16:01,926 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:16:01,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:16:01,927 INFO L168 Benchmark]: Toolchain (without parser) took 894.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -111.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:01,928 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:16:01,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.70 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:01,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:01,930 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 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. [2018-11-22 23:16:01,930 INFO L168 Benchmark]: RCFGBuilder took 346.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:01,931 INFO L168 Benchmark]: CodeCheck took 297.11 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:01,931 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:16:01,934 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 72]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L67] double x = 0.0 / 0.0; [L68] double y = 0.0 / 0.0; [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L27] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [L36-L37] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L39-L40] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L42-L43] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L46-L47] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L50] return 0; [L55] RET, EXPR __fpclassify_double(x) [L55] COND TRUE __fpclassify_double(x) == 0 [L56] return y; [L69] double res = fmax_double(x, y); [L16] return x != x; [L71] COND TRUE !isnan_double(res) [L72] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.70 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.57 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. * RCFGBuilder took 346.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 297.11 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. 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 [2018-11-22 23:16:03,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:16:03,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:16:03,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:16:03,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:16:03,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:16:03,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:16:03,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:16:03,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:16:03,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:16:03,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:16:03,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:16:03,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:16:03,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:16:03,333 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:16:03,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:16:03,334 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:16:03,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:16:03,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:16:03,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:16:03,338 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:16:03,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:16:03,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:16:03,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:16:03,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:16:03,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:16:03,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:16:03,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:16:03,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:16:03,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:16:03,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:16:03,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:16:03,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:16:03,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:16:03,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:16:03,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:16:03,347 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-22 23:16:03,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:16:03,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:16:03,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:16:03,358 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:16:03,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:16:03,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:16:03,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:16:03,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:16:03,359 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:16:03,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:16:03,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:16:03,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:16:03,361 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:16:03,361 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:16:03,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:16:03,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:16:03,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:16:03,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 23:16:03,362 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 23:16:03,363 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_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak 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 -> Kojak 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 -> 01b6390e563edc58f3f7d1f239b082df891f9006 [2018-11-22 23:16:03,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:16:03,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:16:03,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:16:03,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:16:03,404 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:16:03,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c [2018-11-22 23:16:03,439 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/c5045d67b/2398ae19771745f589a96f455cddf074/FLAGa7dbf973a [2018-11-22 23:16:03,836 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:16:03,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/sv-benchmarks/c/float-newlib/double_req_bl_1250_true-unreach-call.c [2018-11-22 23:16:03,840 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/c5045d67b/2398ae19771745f589a96f455cddf074/FLAGa7dbf973a [2018-11-22 23:16:03,850 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/data/c5045d67b/2398ae19771745f589a96f455cddf074 [2018-11-22 23:16:03,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:16:03,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:16:03,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:03,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:16:03,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:16:03,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:03" (1/1) ... [2018-11-22 23:16:03,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:03, skipping insertion in model container [2018-11-22 23:16:03,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:03" (1/1) ... [2018-11-22 23:16:03,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:16:03,883 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:16:04,014 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:04,018 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:16:04,035 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:04,054 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:16:04,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04 WrapperNode [2018-11-22 23:16:04,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:04,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:04,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:16:04,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:16:04,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:04,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:16:04,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:16:04,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:16:04,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:16:04,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:16:04,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:16:04,102 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:16:04,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-22 23:16:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:16:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:16:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:16:04,290 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:16:04,497 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:16:04,497 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-22 23:16:04,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:04 BoogieIcfgContainer [2018-11-22 23:16:04,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:16:04,497 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:16:04,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:16:04,504 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:16:04,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:04" (1/1) ... [2018-11-22 23:16:04,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-22 23:16:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-22 23:16:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:16:04,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:16:04,573 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 23:16:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:16:04,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:16:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:16:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-22 23:16:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-22 23:16:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:16:04,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:16:04,612 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 23:16:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:16:04,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:16:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:16:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-11-22 23:16:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-22 23:16:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 23:16:04,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:16:04,801 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 23:16:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:16:04,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:16:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 23:16:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:16:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-11-22 23:16:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-22 23:16:05,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:16:05,019 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-22 23:16:05,027 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:16:05,051 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:16:05,053 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:16:05,053 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:16:05,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:16:05 ImpRootNode [2018-11-22 23:16:05,054 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:16:05,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:16:05,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:16:05,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:16:05,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:04" (3/4) ... [2018-11-22 23:16:05,057 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:16:05,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-11-22 23:16:05,063 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-22 23:16:05,063 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:16:05,063 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:16:05,094 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88841382-3350-4fe5-a27d-8f4938c6f5f0/bin-2019/ukojak/witness.graphml [2018-11-22 23:16:05,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:16:05,094 INFO L168 Benchmark]: Toolchain (without parser) took 1242.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -69.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:05,095 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-22 23:16:05,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.29 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:05,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:16:05,096 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:16:05,096 INFO L168 Benchmark]: RCFGBuilder took 395.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:05,097 INFO L168 Benchmark]: CodeCheck took 556.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:16:05,097 INFO L168 Benchmark]: Witness Printer took 39.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:16:05,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 19 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 201.29 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.54 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 395.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 556.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...